State of the United States of America
Population : | 12,671,821 |
Country : | United States of America |
Different from : | Illinois County |
Office held by head of government : | Governor of Illinois |
Area : | 149998 km2 |
Water as percent of area : | 4.13 |
Continent : | North America |
Easternmost point : | Point(-87.020833333 42.493611111) |
Legislative body : | Illinois General Assembly |
Named for : | Illinois Confederation |
Official language : | English |
Altitude : | 597 feet / 182 meters |
Capital : | Springfield |
Establishment : | December 12, 1818 (202 years ago) |
Time Zone : | America/Chicago |
Local time : | 20:56:17 (27th January 2021) |
Year | Population | Method |
1910 | 5,638,591 | census |
1920 | 6,485,280 | census |
1930 | 7,630,654 | census |
1940 | 7,897,241 | census |
1950 | 8,712,176 | census |
1960 | 10,081,158 | census |
1970 | 11,113,976 | census |
1980 | 11,426,518 | census |
1990 | 11,430,602 | census |
2000 | 12,419,293 | census |
2010 | 12,830,632 | census |
2011 | 12,867,454 | estimation process |
2012 | 12,882,510 | estimation process |
2013 | 12,895,129 | estimation process |
2014 | 12,884,493 | estimation process |
2015 | 12,858,913 | estimation process |
2016 | 12,820,527 | estimation process |
2017 | 12,778,828 | estimation process |
2018 | 12,723,071 | estimation process |
2019 | 12,671,821 | estimation process |
Cities, Towns, Neighborhoods & Other Populated Places in Illinois.
City Name | Title | County | Population |
---|---|---|---|
Chicago | City and county seat of Cook County, Illinois, United States | Nomós Aitolías kai Akarnanías | 2,693,976 |
Markham | City in Cook County, Illinois, United States | Cook | 328,966 |
Rockford | County seat of Winnebago County, Illinois, United States | Winnebago | 169,980 |
Aurora | City in Kane County, Illinois, United States | Kane | 146,557 |
York | Town in Clark County, Wisconsin, USA | Clark | 125,629 |
Peoria | County seat of Peoria County, Illinois, United States | Peoria | 110,417 |
Bremen | Unincorporated community in Illinois | Randolph | 107,415 |
Elgin | City in Cook and Kane counties in the northern part of the U. | Kane | 104,752 |
Naperville | City in DuPage and Will counties in Illinois, United States | DuPage | 101,947 |
Elk Grove | Township in Cook County, Illinois | Cook | 91,251 |
Champaign | Champaign County, Illinois, United States | Champaign | 88,909 |
Waukegan | County seat of Lake County, Illinois, United States | Lake | 87,714 |
Joliet | City in Illinois, United States | Will | 86,178 |
Cicero | Town in Illinois | Cook | 80,796 |
Bloomington | City in Illinois, United States | McLean | 77,330 |
Arlington Heights | Village in Cook County, Illinois, United States; suburb of Chicago, Illinois | Cook | 75,101 |
Show more Illinois cities and populated places
County Name | Population |
---|---|
Cook County | 5,150,233 |
DuPage County | 922,921 |
Lake County | 696,535 |
Will County | 690,743 |
Kane County | 532,403 |
McHenry County | 307,774 |
Winnebago County | 282,572 |
Madison County | 262,966 |
Saint Clair County | 259,686 |
Champaign County | 209,689 |
Sangamon County | 194,672 |
Peoria County | 179,179 |
McLean County | 171,517 |
Rock Island County | 141,879 |
Tazewell County | 131,803 |
Kendall County | 128,990 |
Show more Illinois counties