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What is the Population of Illinois - Answers

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What is the Population of Illinois

Illinois Population Map

The Population of Illinois, which has 102 Counties, as per July 1st, 2016 estimate, is 12,801,539 (Twelve million eight hundred one thousand five hundred thirty-nine). The last official US Government census was done in 2010, and the population as per that census was 12,830,632 (Twelve million eight hundred thirty thousand six hundred thirty-two). Here is a compilation of county-wise population data for the state in tabular format:

Illinois Population by County
County Name April 1, 2010 – Census Population Estimate (as of July 1, 2016)
Cook County 5,194,675 5,203,499
DuPage County 916,924 929,368
Lake County 703,462 703,047
Will County 677,560 689,529
Kane County 515,269 531,715
McHenry County 308,760 307,004
Winnebago County 295,266 285,873
Madison County 269,282 265,759
St. Clair County 270,056 262,759
Champaign County 201,081 208,419
Sangamon County 197,465 197,499
Peoria County 186,494 185,006
McLean County 169,572 172,418
Rock Island County 147,546 144,784
Tazewell County 135,394 134,385
Kendall County 114,736 124,695
LaSalle County 113,924 110,642
Kankakee County 113,449 110,008
Macon County 110,768 106,550
DeKalb County 105,160 104,528
Vermilion County 81,625 78,111
Williamson County 66,357 67,560
Adams County 67,103 66,578
Jackson County 60,218 58,870
Whiteside County 58,498 56,536
Boone County 54,165 53,503
Coles County 53,873 52,343
Ogle County 53,497 51,273
Knox County 52,919 50,938
Grundy County 50,063 50,437
Henry County 50,486 49,280
Macoupin County 47,765 45,908
Stephenson County 47,711 45,624
Franklin County 39,561 39,156
Woodford County 38,664 39,140
Jefferson County 38,827 38,460
Marion County 39,437 38,140
Clinton County 37,762 37,729
Livingston County 38,950 36,526
Fulton County 37,069 35,536
Effingham County 34,242 34,386
Morgan County 35,547 34,277
Lee County 36,031 34,251
Monroe County 32,957 34,068
Bureau County 34,978 33,359
Christian County 34,800 33,309
Randolph County 33,476 32,621
McDonough County 32,612 30,996
Logan County 30,305 29,527
Montgomery County 30,104 28,952
Iroquois County 29,718 28,334
Saline County 24,913 24,307
Jersey County 22,985 22,025
Fayette County 22,140 21,789
Jo Daviess County 22,678 21,770
Shelby County 22,363 21,717
Perry County 22,350 21,357
Douglas County 19,980 19,630
Crawford County 19,817 19,308
Hancock County 19,104 18,508
Edgar County 18,576 17,566
Warren County 17,707 17,378
Union County 17,808 17,212
Bond County 17,768 16,824
Piatt County 16,729 16,560
Wayne County 16,760 16,396
Lawrence County 16,833 16,377
De Witt County 16,561 16,226
Pike County 16,430 15,950
Clark County 16,335 15,938
Richland County 16,233 15,930
Mercer County 16,434 15,730
Moultrie County 14,846 14,827
Massac County 15,429 14,658
Carroll County 15,387 14,539
White County 14,665 14,292
Washington County 14,716 14,154
Ford County 14,081 13,575
Mason County 14,666 13,507
Clay County 13,815 13,300
Greene County 13,886 13,093
Johnson County 12,582 12,902
Cass County 13,642 12,676
Menard County 12,705 12,516
Marshall County 12,640 11,939
Wabash County 11,947 11,492
Cumberland County 11,048 10,858
Jasper County 9,698 9,536
Hamilton County 8,457 8,061
Schuyler County 7,544 6,923
Henderson County 7,331 6,869
Brown County 6,937 6,762
Edwards County 6,721 6,523
Alexander County 8,238 6,478
Stark County 5,994 5,776
Pulaski County 6,161 5,619
Putnam County 6,006 5,611
Gallatin County 5,589 5,212
Scott County 5,355 5,053
Calhoun County 5,089 4,894
Pope County 4,470 4,157
Hardin County 4,320 4,024
Total Population of Illinois 12,830,632 12,801,539

Related Maps and Info:

Illinois Map
Illinois Map
US Map
US Map
US Population by County
US Population by County
US Population by State
US Population by State

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