County |
April 1, 1980 Census |
April 1, 1990 Census |
April 1, 2000 Census |
April 1, 2010 Census |
Percent Change 1980 to 1990 |
Percent Change 1990 to 2000 |
Percent Change 2000 to 2010 |
|---|---|---|---|---|---|---|---|
| Illinois | 11,426,518 |
11,430,602 |
12,419,293 |
12,830,632 |
0.04 |
8.6 |
3.3 |
| Adams | 71,622 |
66,090 |
68,277 |
67,103 |
-7.7 |
3.3 |
-1.7 |
| Alexander | 12,264 |
10,626 |
9,590 |
8,238 |
-13.4 |
-9.7 |
-14.1 |
| Bond | 16,224 |
14,991 |
17,633 |
17,768 |
-7.6 |
17.6 |
0.8 |
| Boone | 28,630 |
30,806 |
41,786 |
54,165 |
7.6 |
35.6 |
29.6 |
| Brown | 5,411 |
5,836 |
6,950 |
6,937 |
7.9 |
19.1 |
-0.2 |
| Bureau | 39,114 |
35,688 |
35,503 |
34,978 |
-8.8 |
-0.5 |
-1.5 |
| Calhoun | 5,867 |
5,322 |
5,084 |
5,089 |
-9.3 |
-4.5 |
0.1 |
| Carroll | 18,779 |
16,805 |
16,674 |
15,387 |
-10.5 |
-0.8 |
-7.7 |
| Cass | 15,084 |
13,437 |
13,695 |
13,642 |
-10.9 |
1.9 |
-0.4 |
| Champaign | 168,392 |
173,025 |
179,669 |
201,081 |
2.8 |
3.8 |
11.9 |
| Christian | 36,446 |
34,418 |
35,372 |
34,800 |
-5.6 |
2.8 |
-1.6 |
| Clark | 16,913 |
15,921 |
17,008 |
16,335 |
-5.9 |
6.8 |
-4.0 |
| Clay | 15,283 |
14,460 |
14,560 |
13,815 |
-5.4 |
0.7 |
-5.1 |
| Clinton | 32,617 |
33,944 |
35,535 |
37,762 |
4.1 |
4.7 |
6.3 |
| Coles | 52,260 |
51,644 |
53,196 |
53,873 |
-1.2 |
3 |
1.3 |
| Cook | 5,253,655 |
5,105,067 |
5,376,741 |
5,194,675 |
-2.8 |
5.3 |
-3.4 |
| Crawford | 20,818 |
19,464 |
20,452 |
19,817 |
-6.5 |
5.1 |
-3.1 |
| Cumberland | 11,062 |
10,670 |
11,253 |
11,048 |
-3.5 |
5.5 |
-1.8 |
| DeKalb | 74,624 |
77,932 |
88,969 |
105,160 |
4.4 |
14.2 |
18.2 |
| De Witt | 18,108 |
16,516 |
16,798 |
16,561 |
-8.8 |
1.7 |
-1.4 |
| Douglas | 19,774 |
19,464 |
19,922 |
19,980 |
-1.6 |
2.4 |
0.3 |
| DuPage | 658,835 |
781,666 |
904,161 |
916,924 |
18.6 |
15.7 |
1.4 |
| Edgar | 21,725 |
19,595 |
19,704 |
18,576 |
-9.8 |
0.6 |
-5.7 |
| Edwards | 7,961 |
7,440 |
6,971 |
6,721 |
-6.5 |
-6.3 |
-3.6 |
| Effingham | 30,944 |
31,704 |
34,264 |
34,242 |
2.5 |
8.1 |
-0.1 |
| Fayette | 22,167 |
20,893 |
21,802 |
22,140 |
-5.7 |
4.4 |
1.6 |
| Ford | 15,265 |
14,275 |
14,241 |
14,081 |
-6.5 |
-0.2 |
-1.1 |
| Franklin | 43,201 |
40,319 |
39,018 |
39,561 |
-6.7 |
-3.2 |
1.4 |
| Fulton | 43,687 |
38,080 |
38,250 |
37,069 |
-12.8 |
0.4 |
-3.1 |
| Gallatin | 7,590 |
6,909 |
6,445 |
5,589 |
-9 |
-6.7 |
-13.3 |
| Greene | 16,661 |
15,317 |
14,761 |
13,886 |
-8.1 |
-3.6 |
-5.9 |
| Grundy | 30,582 |
32,337 |
37,535 |
50,063 |
5.7 |
16.1 |
33.4 |
| Hamilton | 9,172 |
8,499 |
8,621 |
8,457 |
-7.3 |
1.4 |
-1.9 |
| Hancock | 23,877 |
21,373 |
20,121 |
19,104 |
-10.5 |
-5.9 |
-5.1 |
| Hardin | 5,383 |
5,189 |
4,800 |
4,320 |
-3.6 |
-7.5 |
-10.0 |
| Henderson | 9,114 |
8,096 |
8,213 |
7,331 |
-11.2 |
1.4 |
-10.7 |
| Henry | 57,968 |
51,159 |
51,020 |
50,486 |
-11.7 |
-0.3 |
-1.0 |
| Iroquois | 32,976 |
30,787 |
31,334 |
29,718 |
-6.6 |
1.8 |
-5.2 |
| Jackson | 61,522 |
61,067 |
59,612 |
60,218 |
-0.7 |
-2.4 |
1.0 |
| Jasper | 11,318 |
10,609 |
10,117 |
9,698 |
-6.3 |
-4.6 |
-4.1 |
| Jefferson | 36,552 |
37,020 |
40,045 |
38,827 |
1.3 |
8.2 |
-3.0 |
| Jersey | 20,538 |
20,539 |
21,668 |
22,985 |
0 |
5.5 |
6.1 |
| Jo Daviess | 23,520 |
21,821 |
22,289 |
22,678 |
-7.2 |
2.1 |
1.7 |
| Johnson | 9,624 |
11,347 |
12,878 |
12,582 |
17.9 |
13.5 |
-2.3 |
| Kane | 278,405 |
317,471 |
404,119 |
515,269 |
14 |
27.3 |
27.5 |
| Kankakee | 102,926 |
96,255 |
103,833 |
113,449 |
-6.5 |
7.9 |
9.3 |
| Kendall | 37,202 |
39,413 |
54,544 |
114,736 |
5.9 |
38.4 |
110.4 |
| Knox | 61,607 |
56,393 |
55,836 |
52,919 |
-8.5 |
-1 |
-5.2 |
| Lake | 440,372 |
516,418 |
644,356 |
703,462 |
17.3 |
24.8 |
9.2 |
| La Salle | 112,033 |
106,913 |
111,509 |
113,924 |
-4.6 |
4.3 |
2.2 |
| Lawrence | 17,807 |
15,972 |
15,452 |
16,833 |
-10.3 |
-3.3 |
8.9 |
| Lee | 36,328 |
34,392 |
36,062 |
36,031 |
-5.3 |
4.9 |
-0.1 |
| Livingston | 41,381 |
39,301 |
39,678 |
38,950 |
-5 |
1 |
-1.8 |
| Logan | 31,802 |
30,798 |
31,183 |
30,305 |
-3.2 |
1.3 |
-2.8 |
| McDonough | 37,467 |
35,244 |
32,913 |
32,612 |
-5.9 |
-6.6 |
-0.9 |
| McHenry | 147,897 |
183,241 |
260,077 |
308,760 |
23.9 |
41.9 |
18.7 |
| McLean | 119,149 |
129,180 |
150,433 |
169,572 |
8.4 |
16.5 |
12.7 |
| Macon | 131,375 |
117,206 |
114,706 |
110,768 |
-10.8 |
-2.1 |
-3.4 |
| Macoupin | 49,384 |
47,679 |
49,019 |
47,765 |
-3.5 |
2.8 |
-2.6 |
| Madison | 247,691 |
249,238 |
258,941 |
269,282 |
0.6 |
3.9 |
4.0 |
| Marion | 43,523 |
41,561 |
41,691 |
39,437 |
-4.5 |
0.3 |
-5.4 |
| Marshall | 14,479 |
12,846 |
13,180 |
12,640 |
-11.3 |
2.6 |
-4.1 |
| Mason | 19,492 |
16,269 |
16,038 |
14,666 |
-16.5 |
-1.4 |
-8.6 |
| Massac | 14,990 |
14,752 |
15,161 |
15,429 |
-1.6 |
2.8 |
1.8 |
| Menard | 11,700 |
11,164 |
12,486 |
12,705 |
-4.6 |
11.8 |
1.8 |
| Mercer | 19,286 |
17,290 |
16,957 |
16,434 |
-10.3 |
-1.9 |
-3.1 |
| Monroe | 20,117 |
22,422 |
27,619 |
32,957 |
11.5 |
23.2 |
19.3 |
| Montgomery | 31,686 |
30,728 |
30,652 |
30,104 |
-3 |
-0.2 |
-1.8 |
| Morgan | 37,502 |
36,397 |
36,616 |
35,547 |
-2.9 |
0.6 |
-2.9 |
| Moultrie | 14,546 |
13,930 |
14,287 |
14,846 |
-4.2 |
2.6 |
3.9 |
| Ogle | 46,338 |
45,957 |
51,032 |
53,497 |
-0.8 |
11 |
4.8 |
| Peoria | 200,466 |
182,827 |
183,433 |
186,494 |
-8.8 |
0.3 |
1.7 |
| Perry | 21,714 |
21,412 |
23,094 |
22,350 |
-1.4 |
7.9 |
-3.2 |
| Piatt | 16,581 |
15,548 |
16,365 |
16,729 |
-6.2 |
5.3 |
2.2 |
| Pike | 18,896 |
17,577 |
17,384 |
16,430 |
-7 |
-1.1 |
-5.5 |
| Pope | 4,404 |
4,373 |
4,413 |
4,470 |
-0.7 |
0.9 |
1.3 |
| Pulaski | 8,840 |
7,523 |
7,348 |
6,161 |
-14.9 |
-2.3 |
-16.2 |
| Putnam | 6,085 |
5,730 |
6,086 |
6,006 |
-5.8 |
6.2 |
-1.3 |
| Randolph | 35,652 |
34,583 |
33,893 |
33,476 |
-3 |
-2 |
-1.2 |
| Richland | 17,587 |
16,545 |
16,149 |
16,233 |
-5.9 |
-2.4 |
0.5 |
| Rock Island | 165,968 |
148,723 |
149,374 |
147,546 |
-10.4 |
0.4 |
-1.2 |
| St. Clair | 267,531 |
262,852 |
256,082 |
270,056 |
-1.7 |
-2.6 |
5.5 |
| Saline | 28,448 |
26,551 |
26,733 |
24,913 |
-6.7 |
0.7 |
-6.8 |
| Sangamon | 176,089 |
178,386 |
188,951 |
197,465 |
1.3 |
5.9 |
4.5 |
| Schuyler | 8,365 |
7,498 |
7,189 |
7,544 |
-10.4 |
-4.1 |
4.9 |
| Scott | 6,142 |
5,644 |
5,537 |
5,355 |
-8.1 |
-1.9 |
-3.3 |
| Shelby | 23,923 |
22,261 |
22,893 |
22,363 |
-6.9 |
2.8 |
-2.3 |
| Stark | 7,389 |
6,534 |
6,332 |
5,994 |
-11.6 |
-3.1 |
-5.3 |
| Stephenson | 49,536 |
48,052 |
48,979 |
47,711 |
-3 |
1.9 |
-2.6 |
| Tazewell | 132,078 |
123,692 |
128,485 |
135,394 |
-6.3 |
3.9 |
5.4 |
| Union | 17,765 |
17,619 |
18,293 |
17,808 |
-0.8 |
3.8 |
-2.7 |
| Vermilion | 95,222 |
88,257 |
83,919 |
81,625 |
-7.3 |
-4.9 |
-2.7 |
| Wabash | 13,713 |
13,111 |
12,937 |
11,947 |
-4.4 |
-1.3 |
-7.7 |
| Warren | 21,943 |
19,181 |
18,735 |
17,707 |
-12.6 |
-2.3 |
-5.5 |
| Washington | 15,472 |
14,965 |
15,148 |
14,716 |
-3.3 |
1.2 |
-2.9 |
| Wayne | 18,059 |
17,241 |
17,151 |
16,760 |
-4.5 |
-0.5 |
-2.3 |
| White | 17,864 |
16,522 |
15,371 |
14,665 |
-7.5 |
-7 |
-4.6 |
| Whiteside | 65,970 |
60,186 |
60,653 |
58,498 |
-8.8 |
0.8 |
-3.6 |
| Will | 324,460 |
357,313 |
502,266 |
677,560 |
10.1 |
40.6 |
34.9 |
| Williamson | 56,538 |
57,733 |
61,296 |
66,357 |
2.1 |
6.2 |
8.3 |
| Winnebago | 250,884 |
252,913 |
278,418 |
295,266 |
0.8 |
10.1 |
6.1 |
| Woodford | 33,320 |
32,653 |
35,469 |
38,664 |
-2 |
8.6 |
9.0 |
  |
Illinois Department
of Public Health 535 West Jefferson Street Springfield, Illinois 62761 Phone 217-782-4977 Fax 217-782-3987 TTY 800-547-0466 Questions or Comments |