Illinois Population from the Decennial Censuses,
by County, 1980, 1990, 2000 and 2010
|
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 |