Up till 2008, Illinois has the expected number of inhabitants of 12,901,563, which is actually an augmentation of 75,754 from the previous year and an augmentation of 481,903 or 3.9 percent ever since the year of 2000. This consists of a normal increment ever since the previous survey of 644,967 citizens. To be more specific, there were 860,742 deaths subtracted from 1,505,709 births and a decrement owing to the total migration of 159,182 people going out of Illinois. Worldwide migration to Illinois lead to an increment of 425,893 inhabitants and domestic relocation generated a loss of 585,075 inhabitants.
According to the 2007 approximations from the United States Census Bureau, there were approximately 1,768,518 overseas born total number of inhabitants of Illinois or to express it in the terms of percentages, it was 13.8 percent of the total number of inhabitants, with 48.4 percent coming from Latin America, 24.6 percent coming from Asia, 22.8 percent coming from Europe, 2.9 percent coming from Africa, 1.2 percent coming from North America and 0.2 percent coming from Oceania.
Of the overseas born total number of inhabitants, 43.7 percent were approved United States citizens and 56.3 percent were not the legal United States citizens. On addition, the ethnic allocations of the population were as follows:
65.0 percent were White American, 15.0 percent were African American, 14.9 percent were Latino American, 4.3 percent were Asian American, 0.3 percent was American Indian and Alaska Natives, and 0.1 percent was Native Hawaiians and Pacific Islander American. In the year of 2007, 6.9 percent of the total numbers of inhabitants of Illinois were described as being below 5 years of age, 24.9 percent below 18 years of age and 12.1 percent were of the age 65 and above. Females constituted roughly around 50.7 percent of the total number of inhabitants.
As per the 2007 census data, 21.1 percent of the total number of inhabitants had German descent, 13.3 percent had Irish descent, 7.9 percent had Polish descent, 6.7 percent had English descent, 6.4 percent had Italian descent, 4.6 percent enlisted themselves as American, 2.4 percent had Swedish descent, 2.2 percent had French descent, 1.6 percent had Dutch descent, 1.4 percent had Norwegian descent and 1.3 percent had Scottish descent. In addition, 21.8 percent of the total number of inhabitants of the age 5 years and above were communicating in a language apart from English, with 12.8 percent of the total number of inhabitants communicating in Spanish, 5.6 percent communicating in other Indo-European tongue, 2.5 percent communicating in Asian and Austronesian tongue, and 0.8 percent communicating in other languages.
At the north corner of the Illinois on Lake Michigan is Chicago, the third biggest city of U.S. In the year 2000, 23.3 percent of the total number of inhabitants stayed in the city of Chicago, 43.3 percent stayed in Cook County and 65.6 percent stayed in the counties of the other Chicago metropolitan regions namely Will, DuPage, Kane, Lake and McHenry provinces, in addition to Cook County. The left over total number of inhabitants were staying in the smaller regions and non-urban areas of the plains of Illinois.
Chicago is the major town in the state and is ranked third in terms of most densely populated city in the entire United States, with the anticipated total number of inhabitants of 2,853,114 in 2008. The United States Census Bureau at present has charted down seven more towns with total number of natives of over 100,000 within Illinois. Supported by the data of Census Bureau's authorized 2008 total number of inhabitant anticipations, they are: Aurora, a Chicago outpost city which at 171,782, challenged Rockford for the designation of "Second City" of Illinois in the year of 2006. Nevertheless, at the population of 157,272, Rockford is not only at the rank of number third, it is also the major town in the state not situated within the Chicago urban regions.
Some other chief urban regions comprise of the Illinois part of The Greater St. Louis which is commonly known as the Metro-East region, and has a total number of inhabitants of more than 691,000 citizens, the Illinois part of the Quad Cities region, which has a total number of inhabitants of 215,000, the Champaign-Urbana Metropolitan region, which has a joint total number of inhabitants of 210,000 and the Bloomington-Normal region with a total number of inhabitants of over 125,000.
Catholics and Protestants are the major devout faction in Illinois. Roman Catholics, who are densely inhabited in and around the city of Chicago, are around 30 percent of the total number of inhabitants. Chicago and the other non urban regions around it is also the abode of a big and increasing total number of inhabitants of the religions like Hinduism, Jews, Islam, Baha'is and Sikhism. The maximum representation by number of believers of a religion in 2000 was the Roman Catholic Church with 3,874,933 followers, the United Methodist Church with 365,182 followers, the Southern Baptist Convention with 305,838 followers, and Judaism with 270,000 followers.
Illinois had significantly contributed to the initial Latter Day Saint Movement, along with Nauvoo, Illinois fitting as meeting place for a time during the 19th Century. The major cult, The Church of Jesus Christ of Latter-day Saints, also vow of the maximum number of followers in Illinois at 55,460.
|Leading Population Centers|
|2||Aurora||171,782||Dupage, Kane, Will|
|Religion: Percentage||Religion: Percentage|
|Catholic: 29%||Evangelical: 2%|
|No religion: 15%||Non-denominational: 2%|
|Baptist: 11%||Pentecostal: 2%|
|Christian: 7%||Protestant: 2%|
|Lutheran: 7%||Buddhist: 1%|
|Methodist: 6%||Church of Christ: 1%|
|Not specified: 4%||Congregationalist/ United Church of Christ: 1%|
|Other: 3%||Jewish: 1%|
|Presbyterian: 3%||Muslim/Islamic: 1%|
|Demographics of Illinois (csv)|
|2000 (total population)||80.71%||15.73%||0.62%||3.84%||0.11%|
|2000 (Hispanic only)||11.78%||0.35%||0.19%||0.08%||0.04%|
|2005 (total population)||80.34%||15.63%||0.62%||4.45%||0.11%|
|2005 (Hispanic only)||13.72%||0.39%||0.20%||0.09%||0.04%|
|Growth 2000–05 (total population)||2.30%||2.07%||3.74%||19.16%||10.13%|
|Growth 2000–05 (non-Hispanic only)||-0.68%||1.81%||0.91%||19.36%||10.18%|
|Growth 2000–05 (Hispanic only)||19.75%||13.28%||10.14%||9.96%||10.06%|