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Hormone Replacement Therapy Services for the State of Illinois

Are you over the age of thirty and feel that symptoms related to premature aging are bringing you down? You may actually be suffering from a condition known as hormone imbalance. Two of the most common forms of Hormone Imbalance which are associated with the aging process are Testosterone Deficiency and Human Growth Hormone Deficiency.

The Conscious Evolution Institute provides Pharmaceutical Hormone Replacement Therapy Solutions for men and women all across the United States.

HGH Deficiency Treatments in Chicago and Greater Illinois

Do you find yourself dragging as you grow older? Are you experiencing weight gain and loss of muscle mass even though you haven't changed your lifestyle? Are you experiencing psychological issues, not associated with your life circumstances, such as depression or a loss of well-being?

You may be suffering from Human Growth Hormone Deficiency, also known as Somatopause. Human beings are sensitive to hormonal changes, and as we get older, our brains secrete less and less of this vital hormone. With regular Bio-Identical HGH Shots, it is possible to negate the effects of Somatopause, potentially improving your physiological health, improving your outlook as well as reducing your mortality risk.

Sermorelin Acetate HGH Deficiency Treatment

HGH Injections aren't the only way to restore Growth Hormone Levels, however. The Conscious Evolution Institute also offers Recombinant Sermorelin Therapy, which boosts natural HGH Production by safely stimulating the pituitary gland. We can help you decide which form of treatment is best for you.

Low-T Treatments in Chicago and Greater Illinois

Testosterone Deficiency is also a major medical disorder which has the capacity to significantly disrupt the lives of both men and women. Like HGH, Testosterone production starts to fade around the time that we reach our mid-twenties. Many men don't experience issues for years or decades, but other men are much more sensitive to these hormonal changes.

Low-T is also referred to as Andropause, because it has a tendency to become symptomatic around the same period as Menopause, and can have the same powerful impact on health and wellness. If you are experiencing severe fatigue, loss of muscle mass, anxiety, or weight gain in combination with a lack of libido or loss of sexual ability, there is a major chance that you are suffering from Low-T and can benefit from the various Bio-Identical Low-T solutions that we provide.

HCG Weight Management Treatments in Chicago and Greater Illinois

Not all hormone treatments are intended specifically to correct hormone imbalance. HCG Injections are a form of Bio-Identical Hormone Replacement Therapy which has been proven as an effective medical treatment for obesity.

For men and women that have spent years struggling with their weight, HCG has the ability to break the cycle of dieting and binging which causes so many diets to fail. HCG, when combined with low calorie diet, leads to rapid weight loss, while significantly reducing the feelings of hunger and loss of energy associated with such a diet. HCG helps break free energy trapped in your adipose fat tissue, helping you maintain a healthy metabolism even with a significant reduction in caloric consumption.

Largest Cities in Illinois

Chicago

Chicago, is the largest city in Illinois, and is one of the largest cities in the United States. The only cities in America larger than Chicago are Los Angeles and New York City. Chicago is frequently referred to by its nickname: The Windy City. It's location adjacent to Lake Michigan causes it to experience high levels of snow and wind.

Chicago is also referred to as the Second City, because of its significant size and cultural importance, historically only considered second to New York City. Because Chicago is such a large city, it has a number of sports teams. Chicago is home to the MLB teams the Chicago Cubs and White Sox. It is also home to the NFL Chicago Bears and the NBA Chicago Bulls.

Aurora

Aurora is the second largest city in Illinois, as well as the largest suburb of Chicago. Historically, Aurora was known as The City of Lights, because it was among the first places in America to have street lights controlled completely by electricity.

A unique thing about Aurora is that it has a high concentration of buildings with renowned architecture, with buildings designed by architectural mavens such as Bruce Goff and Frank Lloyd Wright. Like many cities in the Midwest, Aurora has long been known for its significant contribution to national manufacturing.

Rockford

Rockford, Illinois is the third largest city in the state of Illinois, and the largest city outside of the Metro Chicago area. Rockford is often mentioned by the nickname, The Forest City, because of the many large elm trees located throughout the city. It was also one of the first cities in the United States with organized baseball, hosting a team called the Rockford Forest City.

Rockford has experienced issues in recent years because of the decline of the manufacturing sector in the Midwest, but has entered a new era of revitalization in recent years. Today, the largest private sector business in the city is Belvedere Assembly Plant for Chrysler and the largest Public Sector employer is the Rockford school system.

Joliet

Joliet, Illinois is the fourth largest city in Illinois, and is the second largest suburb of Chicago. Joliet is located southwest of Chicago, and is growing faster than any other city in the state. Joliet is often referred to as The City of Champions because of the massive success of the bands of the Joliet Township public school system.

Joliet, like many other cities in the Rust Belt, experienced a significant loss of jobs as manufacturing declined in the area, but its proximity to Chicago has caused it to bounce back in a big way as a suburb for men and women that commute to Chicago. Joliet also has an active entertainment district in its city center, with the minor league team the Joliet Slammers and Harrah's Joliet Casino.

Naperville

Naperville, Illinois is the 5th largest city in the state of Illinois, as well as the third largest suburb of Chicago. Naperville also has the unique distinction of being considered the richest city in the Midwest as well as one of the best cities to live in and raise a family in America.

Naperville belongs to an area known as the Illinois Tech and Research Corridor, and has a large number of high tech jobs, the most significant of which being Alcatel-Lucent and Nicor. Although high tech is the largest industry in the city, the largest single employer is Edward Hospital.

All About Illinois Geographic Area

Illinois (i/ËuÉªlÉ¨ËnnÉeÉª/ IL-i-NOY) is a state in the Midwestern United States. It is the 5th most populous state and 25th largest state in terms of land area, and is often noted as a microcosm of the entire country. With Chicago in the northeast, small industrial cities and great agricultural productivity in central and northern Illinois, and natural resources like coal, timber, and petroleum in the south, Illinois has a diverse economic base and is a major transportation hub. The Port of Chicago connects the state to other global ports from the Great Lakes, via the Saint Lawrence Seaway, to the Atlantic Ocean; as well as the Great Lakes to the Mississippi River, via the Illinois River. For decades, O'Hare International Airport has been ranked as one of the world's busiest airports. Illinois has long had a reputation as a bellwether both in social and cultural terms and politics.

Although today the state's largest population center is around Chicago in the northern part of the state, the state's European population grew first in the west, with French Canadians who settled along the Mississippi River, and gave the area the name, Illinois. After the American Revolutionary War established the United States, American settlers began arriving from Kentucky in the 1810s via the Ohio River, and the population grew from south to north. In 1818, Illinois achieved statehood. After construction of the Erie Canal increased traffic and trade through the Great Lakes, Chicago was founded in the 1830s on the banks of the Chicago River, at one of the few natural harbors on southern Lake Michigan. John Deere's invention of the self-scouring steel plow turned Illinois' rich prairie into some of the world's most productive and valuable farmlands, attracting immigrant farmers from Germany and Sweden. Railroads carried immigrants to new homes, as well as being used to ship their commodity crops out to markets.

By 1900, the growth of industrial jobs in the northern cities and coal mining in the central and southern areas attracted immigrants from Eastern and Southern Europe. Illinois was an important manufacturing center during both world wars. The Great Migration from the South established a large community of African Americans in Chicago, who created the city's famous jazz and blues cultures.

Three U.S. presidents have been elected while living in Illinois: Abraham Lincoln, Ulysses S. Grant, and Barack Obama. Additionally, Ronald Reagan, whose political career was based in California, was the only US President born and raised in Illinois. Today, Illinois honors Lincoln with its official state slogan, Land of Lincoln, which has been displayed on its license plates since 1954. The Abraham Lincoln Presidential Library and Museum is located in the state capital of Springfield.

"Illinois" is the modern spelling for the early French Catholic missionaries and explorers' name for the Illinois Native Americans, a name that was spelled in many different ways in the early records.

American scholars previously thought the name "Illinois" meant "man" or "men" in the Miami-Illinois language, with the original iliniwek transformed via French into Illinois. This etymology is not supported by the Illinois language, as the word for 'man' is ireniwa and plural 'men' is ireniwaki. The name Illiniwek has also been said to mean "tribe of superior men", which is a false etymology. The name "Illinois" derives from the Miami-Illinois verb irenwewa "he speaks the regular way". This was taken into the Ojibwe language, perhaps in the Ottawa dialect, and modified into ilinwe (pluralized as ilinwek). The French borrowed these forms, changing the /we/ ending to spell it as -ois, a transliteration for its pronunciation in French of that time. The current spelling form, Illinois, began to appear in the early 1670s, when French colonists had settled in the western area. The Illinois' name for themselves, as attested in all three of the French missionary-period dictionaries of Illinois, was Inoka, of unknown meaning and unrelated to the other terms.

American Indians of successive cultures lived along the waterways of the Illinois area for thousands of years before the arrival of Europeans. The Koster Site has been excavated and demonstrates 7,000 years of continuous habitation. Cahokia, the largest regional chiefdom and urban center of the Pre-Columbian Mississippian culture, was located near present-day Collinsville, Illinois. They built an urban complex of more than 100 platform and burial mounds, a 50 acres (20 ha) plaza larger than 35 football fields, and a woodhenge of sacred cedar, all in a planned design expressing the culture's cosmology. Monks Mound, the center of the site, is the largest precolumbian structure north of the Valley of Mexico. It is 100 feet (30 m) high, 951 feet (290 m) long, 836 feet (255 m) wide and covers 13.8 acres (5.6 ha). It contains about 814,000 cubic yards (622,000 m3) of earth. It was topped by a structure thought to have measured about 105 feet (32 m) in length and 48 feet (15 m) in width, covered an area 5,000 square feet (460 m2), and been as much as 50 feet (15 m) high, making its peak 150 feet (46 m) above the level of the plaza. The civilization vanished in the 15th century for unknown reasons, but historians and archeologists have speculated that the people depleted the area of resources. Many indigenous tribes engaged in constant warfare. According to Suzanne Austin Alchon, "At one site in the central Illinois River valley, one-third of all adults died as a result of violent injuries."

The next major power in the region was the Illinois Confederation or Illini, a political alliance. As the Illini declined during the Beaver Wars era, members of the Algonquian-speaking Potawatomi, Miami, Sauk, and other tribes including the Fox (Mesquakie), Ioway, Kickapoo , Mascouten, Piankashaw, Shawnee, Wea, and Winnebago (Ho-Chunk) came into the area from the east and north around the Great Lakes.

French explorers Jacques Marquette and Louis Jolliet explored the Illinois River in 1673. In 1680, other French explorers constructed a fort at the site of present day Peoria, and in 1682, a fort atop Starved Rock in today's Starved Rock State Park. French Canadians came south to settle particularly along the Mississippi River, and Illinois was part of the French empire of La Louisiane until 1763, when it passed to the British with their defeat of France in the Seven Years' War. The small French settlements continued, although many French migrated west to Ste. Genevieve and St. Louis, Missouri to evade British rule.

A few British soldiers were posted in Illinois, but few British or American settlers moved there, as the Crown made it part of the territory reserved for Indians west of the Appalachians. In 1778, George Rogers Clark claimed Illinois County for Virginia. In a compromise, Virginia ceded the area to the new United States in 1783 and it became part of the Northwest Territory, to be administered by the federal government and later organized as states.

The Illinois-Wabash Company was an early claimant to much of Illinois. The Illinois Territory was created on February 3, 1809, with its capital at Kaskaskia, an early French settlement.

During the discussions leading up to Illinois' admission to the Union, the proposed northern boundary of the state was moved twice. The original provisions of the Northwest Ordinance had specified a boundary that would have been tangent to the southern tip of Lake Michigan. Such a boundary would have left Illinois with no shoreline on Lake Michigan at all. However, as Indiana had successfully been granted a 10-mile northern extension of its boundary to provide it with a usable lakefront, the original bill for Illinois statehood, submitted to Congress on January 23, 1818, stipulated a northern border at the same latitude as Indiana's, which is defined as 10 miles (16 km) north of the southernmost extremity of Lake Michigan. But the Illinois delegate, Nathaniel Pope, wanted more. Pope lobbied to have the boundary moved further north, and the final bill passed by Congress did just that; it included an amendment to shift the border to 42 ° 30' north, which is approximately 51 miles (82 km) north of the Indiana northern border. This shift added 8,500 square miles (22,000 km2) to the state, including the lead mining region near Galena. More importantly, it added nearly 50 miles of Lake Michigan shoreline and the Chicago River. Pope and others envisioned a canal that would connect the Chicago and Illinois rivers, and thus, connect the Great Lakes to the Mississippi.

In 1818, Illinois became the 21st U.S. state. The capital remained at Kaskaskia, headquartered in a small building rented by the state. In 1819, Vandalia became the capital, and over the next 18 years, three separate buildings were built to serve successively as the capitol building. In 1837, the state legislators representing Sangamon County, under the leadership of state representative Abraham Lincoln, succeeded in having the capital moved to Springfield, where a fifth capitol building was constructed. A sixth capitol building was erected in 1867, which continues to serve as the Illinois capitol today.

Though it was ostensibly a "free state", there was slavery in Illinois. The ethnic French had owned black slaves as late as the 1820s, and American settlers had already brought slaves into the area from Kentucky. Slavery was nominally banned by the Northwest Ordinance, but that was not enforced for those already holding slaves. When Illinois became a sovereign state in 1818, the Ordinance no longer applied, and about 900 slaves were held in the state. As the southern part of the state, later known as "Egypt"or "Little Egypt", was largely settled by migrants from the South, the section was hostile to free blacks. Settlers were allowed to bring slaves with them for labor but, in 1822, state residents voted against making slavery legal. Still, most residents opposed allowing free blacks as permanent residents. Some settlers brought in slaves seasonally or as house servants. The Illinois Constitution of 1848 was written with a provision for exclusionary laws to be passed. In 1853, John A. Logan helped pass a law to prohibit all African Americans, including freedmen, from settling in the state.

In 1832, the Black Hawk War was fought in Illinois and current-day Wisconsin between the United States and the Sauk, Fox (Meskwaki) and Kickapoo Indian tribes. It represents the end of Indian resistance to white settlement in the Chicago region. The Indians had been forced to leave their homes and move to Iowa in 1831; when they attempted to return, they were attacked and eventually defeated by U.S. militia. The survivors were forced back to Iowa.

The winter of 1830 ae1831 is called the "Winter of the Deep Snow"; a sudden, deep snowfall blanketed the state, making travel impossible for the rest of the winter, and many travelers perished. Several severe winters followed, including the "Winter of the Sudden Freeze". On December 20, 1836, a fast-moving cold front passed through, freezing puddles in minutes and killing many travelers who could not reach shelter. The adverse weather resulted in crop failures in the northern part of the state. The southern part of the state shipped food north and this may have contributed to its name: "Little Egypt", after the Biblical story of Joseph in Egypt supplying grain to his brothers.

By 1839, the Mormons had founded a utopian city called Nauvoo. Located in Hancock County along the Mississippi River, Nauvoo flourished and soon rivaled Chicago for the position of the state's largest city. But in 1844, the Mormon leader Joseph Smith was murdered in the Carthage Jail, about 30 miles away from Nauvoo. Soon afterward, the Mormons' new leadership led the group out of Illinois in a mass exodus to present-day Utah; after close to six years of rapid development, Nauvoo rapidly declined afterward.

Chicago gained prominence as a Great Lakes port and then as an Illinois and Michigan Canal port after 1848, and as a rail hub soon afterward. By 1857, Chicago was Illinois' largest city. With the tremendous growth of mines and factories in the state in the 19th century, Illinois was the ground for the formation of labor unions in the United States. The Pullman Strike and Haymarket Riot, in particular, greatly influenced the development of the American labor movement. From Sunday, October 8, 1871, until Tuesday, October 10, 1871, the Great Chicago Fire burned in downtown Chicago, destroying 4 square miles (10 km2).

In 1847, after lobbying by Dorothea L. Dix, Illinois became one of the first states to establish a system of state-supported treatment of mental illness and disabilities, replacing local almshouses.

During the American Civil War, Illinois ranked fourth in men who served (more than 250,000) in the Union Army, a figure surpassed by only New York, Pennsylvania, and Ohio. Beginning with President Abraham Lincoln's first call for troops and continuing throughout the war, Illinois mustered 150 infantry regiments, which were numbered from the 7th to the 156th regiments. Seventeen cavalry regiments were also gathered, as well as two light artillery regiments. The town of Cairo, at the southern tip of the state at the confluence of the Mississippi and Ohio Rivers, served as a strategically important supply base and training center for the Union army. For several months, both General Grant and Admiral Foote had headquarters in Cairo.

At the turn of the 20th century, Illinois had a population of nearly 5 million. Many people from other parts of the country were attracted to the state by employment caused by the then-expanding industrial base. Whites were 98% of the state's population. Bolstered by continued immigration from southern and eastern Europe, and by the African-American Great Migration from the South, Illinois grew and emerged as one of the most important states in the union. By the end of the century, the population had reached 12.4 million.

The Century of Progress World's Fair was held at Chicago in 1933. Oil strikes in Marion County and Crawford County lead to a boom in 1937, and, by 1939, Illinois ranked fourth in U.S. oil production. Illinois manufactured 6.1 percent of total United States military armaments produced during World War II, ranking seventh among the 48 states. Chicago became an ocean port with the opening of the Saint Lawrence Seaway in 1959. The seaway and the Illinois Waterway connected Chicago to both the Mississippi River and the Atlantic Ocean. In 1960, Ray Kroc opened the first McDonald's franchise in Des Plaines (which still exists as a museum, with a working McDonald's across the street).

Illinois had a prominent role in the emergence of the nuclear age. In 1942, as part of the Manhattan Project, the University of Chicago conducted the first sustained nuclear chain reaction. In 1957, Argonne National Laboratory, near Chicago, activated the first experimental nuclear power generating system in the United States. By 1960, the first privately financed nuclear plant in the United States, Dresden 1, was dedicated near Morris. In 1967, Fermilab, a national nuclear research facility near Batavia, opened a particle accelerator, which was the world's largest for over 40 years. With eleven plants currently operating, Illinois leads all states in the amount of electricity generated from nuclear power.

In 1961, Illinois became the first state in the nation to adopt the recommendation of the American Law Institute and pass a comprehensive criminal code revision that repealed the law against sodomy. The code also abrogated common law crimes and established an age of consent of 18. The state's fourth constitution was adopted in 1970, replacing the 1870 document.

The first Farm Aid concert was held in Champaign to benefit American farmers, in 1985. The worst upper Mississippi River flood of the century, the Great Flood of 1993, inundated many towns and thousands of acres of farmland.

Illinois is located in the Midwest Region of the United States and is one of the nine states and Canadian Province of Ontario in the bi-national Great Lakes region of North America.

Illinois' eastern border with Indiana consists of a north-south line at 87 ° ao31 a² ao30 a³ west longitude in Lake Michigan at the north, to the Wabash River in the south above Post Vincennes. The Wabash River continues as the eastern/southeastern border with Indiana until the Wabash enters the Ohio River. This marks the beginning of Illinois' southern border with Kentucky, which runs along the northern shoreline of the Ohio River. Most of the western border with Missouri and Iowa is the Mississippi River; Kaskaskia is an exclave of Illinois, lying west of the Mississippi and reachable only from Missouri. The state's northern border with Wisconsin is fixed at 42 ° ao30' north latitude. The northeastern border of Illinois lies in Lake Michigan, within which Illinois shares a water boundary with the state of Michigan, as well as Wisconsin and Indiana.

Though Illinois lies entirely in the Interior Plains, it does have some minor variation in its elevation. In extreme northwestern Illinois, the Driftless Area, a region of unglaciated and therefore higher and more rugged topography, occupies a small part of the state. Charles Mound, located in this region, has the state's highest elevation above sea level at 1,235 feet (376 m). Other highlands include the Shawnee Hills in the south, and there is varying topography along its rivers; the Illinois River bisects the state northeast to southwest. The floodplain on the Mississippi River from Alton to the Kaskaskia River is known as the American Bottom.

Illinois has three major geographical divisions. Northern Illinois is dominated by Chicagoland, which is the city of Chicago and its suburbs, and the adjoining exurban area into which the metropolis is expanding. As defined by the federal government, the Chicago metro area includes several counties in Illinois, Indiana, and Wisconsin, and has a population of over 9.8 million people. Chicago itself is a cosmopolitan city, densely populated, industrialized, and the transportation hub of the nation, and settled by a wide variety of ethnic groups. The city of Rockford, Illinois' third largest city and center of the state's fourth largest metropolitan area, sits along Interstates 39 and 90 some 75 miles (121 km) northwest of Chicago. The Quad Cities region, located along the Mississippi River in northern Illinois, had a population of 381,342 in 2011.

The midsection of Illinois is a second major division, called Central Illinois. It is an area of mostly prairie and known as the Heart of Illinois. It is characterized by small towns and medium-small cities. The western section (west of the Illinois River) was originally part of the Military Tract of 1812 and forms the conspicuous western bulge of the state. Agriculture, particularly corn and soybeans, as well as educational institutions and manufacturing centers, figure prominently in Central Illinois. Cities include Peoria, Springfield, the state capital; Quincy; Decatur; Bloomington-Normal; and Champaign-Urbana.

The third division is Southern Illinois, comprising the area south of U.S. Route 50, including Little Egypt, near the juncture of the Mississippi River and Ohio River. Southern Illinois is the site of the ancient city of Cahokia, as well as the site of the first state capital at Kaskaskia, which today is separated from the rest of the state by the Mississippi River. This region has a somewhat warmer winter climate, different variety of crops (including some cotton farming in the past), more rugged topography (due to the area remaining unglaciated during the Illinoian Stage, unlike most of the rest of the state), as well as small-scale oil deposits and coal mining. The Illinois suburbs of St. Louis, such as East St. Louis are located in this region and collectively they are known as the Metro-East. The other somewhat significant concentration of population in Southern Illinois is the Carbondale-Marion-Herrin, Illinois Combined Statistical Area centered on Carbondale and Marion, a two-county area that is home to 123,272 residents. A portion of southeastern Illinois is part of the extended Evansville, Indiana Metro Area, locally referred to as the Tri-State with Indiana and Kentucky. Seven Illinois counties are in the area.

In addition to these three, largely latitudinally defined divisions, all of the region outside of the Chicago Metropolitan area is often called "downstate" Illinois. This term is flexible, but is generally meant to mean everything outside the Chicago-area. Thus, some cities in Northern Illinois, such as DeKalb, which is west of Chicago, and Rockford aewhich is actually north of Chicago aeare considered to be "downstate".

Illinois has a climate that varies widely throughout the year. Because of its nearly 400-mile distance between its northernmost and southernmost extremes, as well as its mid-continental situation, most of Illinois has a humid continental climate (Koppen climate classification Dfa), with hot, humid summers and cold winters. The southernmost part of the state, from about Carbondale southward, borders on a humid subtropical climate (Koppen Cfa), with more moderate winters. Average yearly precipitation for Illinois varies from just over 48 inches (1,219 mm) at the southern tip to around 35 inches (889 mm) in the northern portion of the state. Normal annual snowfall exceeds 38 inches (965 mm) in the Chicago area, while the southern portion of the state normally receives less than 14 inches (356 mm). The all-time high temperature was 117 °F (47 °C), recorded on July 14, 1954, at East St. Louis, while the all time low temperature was na36 °F ( na38 °C), recorded on January 5, 1999, at Congerville. A temperature of -37 °F (-39 °C), was recorded on January 15, 2009, at Rochelle.

Illinois averages around 51 days of thunderstorm activity a year, which ranks somewhat above average in the number of thunderstorm days for the United States. Illinois is vulnerable to tornadoes with an average of 35 occurring annually, which puts much of the state at around five tornadoes per 10,000 square miles (30,000 km2) annually. While tornadoes are no more powerful in Illinois than other states, the nation's deadliest tornadoes on record have occurred largely in Illinois because it is the most populous state in Tornado Alley. The Tri-State Tornado of 1925 killed 695 people in three states; 613 of the victims died in Illinois. Other significant high-casualty tornadoes include the 1896 St. Louis ae East St. Louis tornado, which killed 111 people in East St. Louis and a May 1917 tornado that killed 101 people in Charleston and Mattoon. Modern developments in storm forecasting and tracking have caused death tolls from tornadoes to decline dramatically, with the 1967 Belvidere ae Oak Lawn tornado outbreak (58 fatalities) and 1990 Plainfield tornado (29 fatalities) standing out as exceptions. On November 18, 2013, tornadoes touched down and ripped through Washington, Illinois. There were 7 fatalities.

The United States Census Bureau estimates that the population of Illinois was 12,880,580 on July 1, 2014, a 0.39% increase since the 2010 United States Census. Illinois is the most populous state in the Midwest region. Chicago, the third most populous city in the United States, is the center of the Chicago metropolitan area. Chicagoland, as this area is known locally, comprises only 8% of the land area of the state, but contains 65% of the state's residents.

According to the 2010 Census, the racial composition of the state was:

In the same year 15.8% of the total population was of Hispanic or Latino origin (they may be of any race).

The state's most populous ethnic group, non-Hispanic white, has declined from 83.5% in 1970 to 63.3% in 2011. As of 2011, 49.4% of Illinois's population younger than age 1 were minorities (note: children born to white Hispanics are counted as minority group).

At the 2007 estimates from the U.S. Census Bureau, there were 1,768,518 foreign-born inhabitants of the state or 13.8% of the population, with 48.4% from Latin America, 24.6% from Asia, 22.8% from Europe, 2.9% from Africa, 1.2% from Northern America and 0.2% from Oceania. Of the foreign-born population, 43.7% were naturalized U.S. citizens and 56.3% were not U.S. citizens. In 2007, 6.9% of Illinois' population was reported as being under age 5, 24.9% under age 18 and 12.1% were age 65 and over. Females made up approximately 50.7% of the population.

According to the 2007 estimates, 21.1% of the population had German ancestry, 13.3% had Irish ancestry, 8% had British ancestry, 7.9% had Polish ancestry, 6.4% had Italian ancestry, 4.6% listed themselves as American, 2.4% had Swedish ancestry, 2.2% had French ancestry, other than Basque, 1.6% had Dutch ancestry, and 1.4% had Norwegian ancestry.

Chicago, along the shores of Lake Michigan, is the nation's third largest city. In 2000, 23.3% of Illinois' population lived in the city of Chicago, 43.3% in Cook County, and 65.6% in the counties of the Chicago metropolitan area: Will, DuPage, Kane, Lake, and McHenry counties, as well as Cook County. The remaining population lives in the smaller cities and rural areas that dot the state's plains. As of 2000, the state's center of population was at 41 °16 a²42 a³N 88 °22 a²49 a³Wï»¿ / ï»¿41.278216 °N 88.380238 °Wï»¿ / 41.278216; -88.380238, located in Grundy County, northeast of the village of Mazon.

Chicago is the largest city in the state and the third most populous city in the United States, with its 2010 population of 2,695,598. The U.S. Census Bureau currently lists seven other cities with populations of over 100,000 within Illinois. Based upon the Census Bureau's official 2010 population: Aurora, a Chicago satellite town that eclipsed Rockford for the title of second most populous city in Illinois; its 2010 population was 197,899. Rockford, at 152,871, is the third largest city in the state, and is the largest city in the state not located within the Chicago suburbs. Joliet, located in metropolitan Chicago, is the fourth largest city in the state, with a population of 147,433. Naperville, a suburb of Chicago, is fifth with 141,853. Naperville and Aurora share a boundary along Illinois Route 59. Springfield, the state's capital, comes in as sixth most populous with 117,352 residents. Peoria, which decades ago was the second-most populous city in the state, is seventh with 115,007. The eighth largest and final city in the 100,000 club is Elgin, a northwest suburb of Chicago, with a 2010 population of 108,188.

The most populated city in the state south of Springfield is Belleville, with 44,478 people at the 2010 census. It is located in the Illinois portion of Greater St. Louis (often called the Metro-East area), which has a rapidly growing population of over 700,000 people.

Other major urban areas include the Champaign-Urbana Metropolitan Area, which has a combined population of almost 230,000 people, the Illinois portion of the Quad Cities area with about 215,000 people, and the Bloomington-Normal area with a combined population of over 165,000.

The official language of Illinois is English, although between 1923 and 1969 state law gave official status to "the American language." Nearly 80% of people in Illinois speak English natively, and most of the rest speak it fluently as a second language. A number of dialects of American English are spoken, ranging from Inland Northern American English and African American Vernacular English around Chicago, to Midland American English in Central Illinois to Southern American English in the far south.

Over 20% of Illinoians speak a language other than English at home, of which Spanish is by far the most widespread at more than 12% of the total population.