U.S. Census Bureau

intercensal estimates

Time Series of Illinois Intercensal Population Estimates by County: April 1, 1990 to April 1, 2000
County State April 1, 1990
Population
Estimates
Base		 July 1, 1990
Estimate		 July 1, 1991
Estimate		 July 1, 1992
Estimate		 July 1, 1993
Estimate		 July 1, 1994
Estimate		 July 1, 1995
Estimate		 July 1, 1996
Estimate		 July 1, 1997
Estimate		 July 1, 1998
Estimate		 July 1, 1999
Estimate		 April 1, 2000
Census
  Illinois 11,430,602 11,453,316 11,568,964 11,694,184 11,809,579 11,912,585 12,008,437 12,101,997 12,185,715 12,271,847 12,359,020 12,419,293
Adams Illinois 66,090 66,109 66,689 66,920 67,558 68,394 68,636 68,680 68,715 68,681 68,430 68,277
Alexander Illinois 10,626 10,579 10,518 10,452 10,265 10,053 9,989 9,889 9,659 9,632 9,621 9,590
Bond Illinois 14,991 15,027 15,165 15,251 15,396 16,076 17,100 17,267 17,378 17,588 17,532 17,633
Boone Illinois 30,806 30,981 31,810 32,901 33,933 35,268 36,651 37,956 38,853 39,864 40,844 41,786
Brown Illinois 5,836 5,851 6,171 6,225 6,155 6,347 6,401 6,765 6,815 6,922 6,948 6,950
Bureau Illinois 35,688 35,690 35,723 35,762 36,036 36,043 36,023 35,814 35,884 35,621 35,527 35,503
Calhoun Illinois 5,322 5,340 5,311 5,243 5,271 5,122 5,074 5,146 5,155 5,092 5,093 5,084
Carroll Illinois 16,805 16,800 16,646 16,618 16,670 16,843 16,857 16,925 16,945 16,959 16,813 16,674
Cass Illinois 13,437 13,447 13,511 13,450 13,421 13,553 13,544 13,612 13,652 13,735 13,795 13,695
Champaign Illinois 173,025 173,341 175,468 178,175 174,600 172,731 172,859 175,018 176,626 177,004 178,652 179,669
Christian Illinois 34,418 34,447 35,039 35,320 35,392 35,498 35,706 35,664 35,600 35,523 35,398 35,372
Clark Illinois 15,921 15,930 15,943 16,083 16,290 16,479 16,530 16,671 16,768 16,948 17,011 17,008
Clay Illinois 14,460 14,472 14,550 14,451 14,472 14,492 14,574 14,589 14,607 14,723 14,575 14,560
Clinton Illinois 33,944 33,962 34,029 34,237 34,750 34,885 35,139 35,227 35,264 35,589 35,533 35,535
Coles Illinois 51,644 51,671 51,895 52,505 52,866 53,421 52,873 53,132 53,371 53,455 53,447 53,196
Cook Illinois 5,105,044 5,109,524 5,149,050 5,199,839 5,235,344 5,262,162 5,283,463 5,306,511 5,322,117 5,345,537 5,365,344 5,376,741
Crawford Illinois 19,464 19,390 20,046 20,482 20,649 20,856 20,856 20,891 20,782 20,717 20,623 20,452
Cumberland Illinois 10,670 10,692 10,773 10,832 10,940 11,036 11,096 11,198 11,186 11,170 11,186 11,253
De Kalb Illinois 77,932 78,347 79,564 80,421 81,682 82,850 82,810 83,947 85,078 86,402 88,010 88,969
De Witt Illinois 16,516 16,554 16,613 16,677 16,726 16,854 16,824 16,736 16,757 16,781 16,764 16,798
Douglas Illinois 19,464 19,460 19,457 19,460 19,545 19,648 19,777 19,793 19,909 19,918 19,905 19,922
Du Page Illinois 781,689 785,768 801,291 815,497 830,865 845,797 855,531 863,785 874,404 886,168 898,083 904,161
Edgar Illinois 19,595 19,554 19,496 19,507 19,746 19,911 20,132 20,303 20,090 20,020 19,821 19,704
Edwards Illinois 7,440 7,422 7,400 7,389 7,307 7,246 7,262 7,177 7,076 7,020 6,954 6,971
Effingham Illinois 31,704 31,759 31,945 32,140 32,419 32,827 33,120 33,498 33,704 33,910 34,164 34,264
Fayette Illinois 20,893 20,894 20,743 20,786 20,968 21,005 21,203 21,408 21,929 21,894 21,786 21,802
Ford Illinois 14,275 14,226 14,063 14,045 13,994 14,011 14,232 14,239 14,274 14,223 14,260 14,241
Franklin Illinois 40,319 40,242 40,048 39,824 39,869 39,938 39,971 40,095 39,624 39,334 39,126 39,018
Fulton Illinois 38,080 38,077 38,186 38,347 38,328 38,357 38,443 38,840 38,616 38,454 38,434 38,250
Gallatin Illinois 6,909 6,902 6,787 6,778 6,788 6,723 6,666 6,654 6,544 6,512 6,477 6,445
Greene Illinois 15,317 15,314 15,156 15,069 15,206 15,190 15,166 15,075 15,066 14,982 14,832 14,761
Grundy Illinois 32,337 32,494 33,255 33,755 34,263 34,685 35,073 35,651 36,263 36,732 37,121 37,535
Hamilton Illinois 8,499 8,487 8,478 8,473 8,501 8,493 8,599 8,633 8,674 8,695 8,688 8,621
Hancock Illinois 21,373 21,346 21,319 21,409 21,349 21,134 20,971 20,844 20,593 20,523 20,266 20,121
Hardin Illinois 5,189 5,185 5,117 5,186 5,223 5,108 5,077 4,978 4,914 4,863 4,824 4,800
Henderson Illinois 8,096 8,058 8,087 8,190 8,209 8,106 8,257 8,260 8,353 8,292 8,218 8,213
Henry Illinois 51,159 51,063 50,971 51,058 50,839 50,956 51,150 51,075 50,830 50,789 51,004 51,020
Iroquois Illinois 30,787 30,783 30,919 31,200 31,431 31,493 31,481 31,649 31,603 31,494 31,389 31,334
Jackson Illinois 61,067 61,055 60,699 61,128 61,798 61,481 61,099 60,875 60,607 60,304 60,026 59,612
Jasper Illinois 10,609 10,607 10,563 10,536 10,530 10,528 10,501 10,465 10,412 10,387 10,256 10,117
Jefferson Illinois 37,020 37,088 37,154 37,293 38,489 39,094 39,459 39,557 39,654 39,695 39,981 40,045
Jersey Illinois 20,539 20,542 20,780 20,968 21,129 20,909 21,193 21,288 21,448 21,662 21,659 21,668
Jo Daviess Illinois 21,821 21,798 22,008 21,964 22,276 22,358 22,252 22,252 22,249 22,132 22,242 22,289
Johnson Illinois 11,347 11,324 11,463 11,587 11,441 11,849 12,360 12,594 12,637 12,931 12,778 12,878
Kane Illinois 317,471 319,491 325,727 332,476 339,619 346,687 356,995 366,912 376,725 386,103 396,371 404,119
Kankakee Illinois 96,255 96,560 97,598 99,215 100,766 101,736 101,923 102,296 102,951 103,222 103,675 103,833
Kendall Illinois 39,413 39,508 40,290 41,006 42,008 43,579 44,924 47,218 49,153 51,025 52,845 54,544
Knox Illinois 56,393 56,380 56,412 56,464 56,580 56,367 56,308 56,114 56,081 56,114 55,987 55,836
Lake Illinois 516,418 520,187 532,119 543,244 554,697 567,357 580,911 596,182 609,714 621,618 633,094 644,356
La Salle Illinois 106,913 107,126 107,553 108,182 109,093 109,459 109,936 110,660 110,956 111,422 111,600 111,509
Lawrence Illinois 15,972 15,928 16,025 15,956 15,992 16,080 16,178 16,025 15,831 15,683 15,546 15,452
Lee Illinois 34,392 34,476 34,711 34,929 35,345 35,614 36,040 36,029 36,222 36,214 36,080 36,062
Livingston Illinois 39,301 39,354 39,086 39,558 39,871 40,048 40,330 39,601 39,774 39,610 39,785 39,678
Logan Illinois 30,798 30,765 30,726 30,868 30,869 30,930 31,148 31,014 31,043 31,465 31,264 31,183
McDonough Illinois 35,244 35,210 35,133 34,832 34,848 34,935 33,563 33,508 33,382 33,341 33,168 32,913
McHenry Illinois 183,241 185,409 193,390 201,137 210,283 219,478 228,762 235,954 242,449 248,529 255,448 260,077
McLean Illinois 129,180 129,715 132,200 134,198 136,831 138,613 140,945 142,363 144,342 146,526 149,135 150,433
Macon Illinois 117,206 117,271 117,984 118,297 117,933 117,490 117,289 116,573 115,706 115,453 115,142 114,706
Macoupin Illinois 47,679 47,690 47,897 47,860 48,082 48,422 48,677 48,930 48,866 48,732 49,005 49,019
Madison Illinois 249,238 249,738 251,778 253,201 254,434 255,580 256,665 257,218 258,533 258,700 258,739 258,941
Marion Illinois 41,561 41,612 41,571 41,628 41,768 41,764 41,972 42,123 42,062 41,896 41,647 41,691
Marshall Illinois 12,846 12,869 12,840 12,904 12,832 12,821 12,928 12,948 13,033 13,105 13,182 13,180
Mason Illinois 16,269 16,277 16,353 16,419 16,432 16,374 16,344 16,262 16,297 16,194 16,082 16,038
Massac Illinois 14,752 14,771 14,784 14,891 15,063 15,140 15,152 15,208 15,364 15,378 15,258 15,161
Menard Illinois 11,164 11,130 11,229 11,352 11,575 11,795 12,006 12,154 12,246 12,281 12,390 12,486
Mercer Illinois 17,290 17,261 17,219 17,156 17,072 17,083 17,083 17,026 17,011 16,979 16,948 16,957
Monroe Illinois 22,422 22,560 22,994 23,465 23,924 24,228 24,790 25,408 25,889 26,664 27,247 27,619
Montgomery Illinois 30,728 30,630 30,687 30,795 30,504 30,651 30,702 30,690 31,072 31,053 30,748 30,652
Morgan Illinois 36,397 36,443 36,582 36,626 36,994 37,085 37,079 37,104 36,793 36,617 36,546 36,616
Moultrie Illinois 13,930 13,946 13,909 14,014 13,865 13,960 14,051 14,128 14,221 14,179 14,198 14,287
Ogle Illinois 45,957 46,059 46,892 47,413 48,053 48,725 49,166 49,810 50,074 50,368 50,751 51,032
Peoria Illinois 182,827 183,155 184,365 184,358 184,355 184,139 184,816 184,720 184,384 184,006 184,042 183,433
Perry Illinois 21,412 21,420 21,388 21,322 21,426 21,332 21,322 21,457 21,374 21,273 23,222 23,094
Piatt Illinois 15,548 15,550 15,602 15,650 15,919 15,904 16,037 16,144 16,311 16,231 16,388 16,365
Pike Illinois 17,577 17,551 17,459 17,421 17,412 17,149 17,209 17,253 17,594 17,590 17,490 17,384
Pope Illinois 4,373 4,356 4,404 4,316 4,376 4,384 4,421 4,407 4,391 4,370 4,366 4,413
Pulaski Illinois 7,523 7,519 7,463 7,489 7,422 7,419 7,482 7,421 7,334 7,426 7,406 7,348
Putnam Illinois 5,730 5,740 5,777 5,779 5,797 5,879 5,847 5,871 5,965 5,992 6,080 6,086
Randolph Illinois 34,583 34,500 34,457 34,260 34,129 34,367 34,254 34,032 33,795 33,687 33,899 33,893
Richland Illinois 16,545 16,512 16,556 16,561 16,468 16,568 16,491 16,420 16,513 16,387 16,212 16,149
Rock Island Illinois 148,723 148,688 149,563 150,439 150,912 150,646 150,475 149,856 149,937 150,027 149,961 149,374
Saint Clair Illinois 262,852 262,628 261,785 261,689 264,082 263,606 262,499 261,907 260,631 258,286 256,201 256,082
Saline Illinois 26,551 26,501 26,479 26,711 27,015 27,027 26,880 27,075 26,896 26,946 26,878 26,733
Sangamon Illinois 178,386 178,688 181,315 184,247 186,941 189,337 189,592 189,969 189,638 189,441 188,957 188,951
Schuyler Illinois 7,498 7,502 7,515 7,447 7,506 7,479 7,593 7,490 7,442 7,333 7,248 7,189
Scott Illinois 5,644 5,633 5,573 5,622 5,564 5,579 5,584 5,539 5,543 5,541 5,515 5,537
Shelby Illinois 22,261 22,300 22,373 22,472 22,493 22,578 22,747 22,948 23,022 23,072 22,973 22,893
Stark Illinois 6,534 6,541 6,460 6,437 6,450 6,414 6,440 6,444 6,405 6,415 6,368 6,332
Stephenson Illinois 48,052 48,118 48,255 48,513 48,801 49,073 49,031 49,233 49,308 49,195 49,194 48,979
Tazewell Illinois 123,692 123,887 124,456 125,071 125,169 125,572 127,764 127,753 128,021 128,327 128,540 128,485
Union Illinois 17,619 17,609 17,699 17,924 18,020 18,034 18,151 18,281 18,307 18,272 18,353 18,293
Vermilion Illinois 88,257 88,155 87,986 87,944 87,738 87,922 86,570 85,298 85,274 84,996 84,276 83,919
Wabash Illinois 13,111 13,106 13,169 13,099 13,181 13,072 13,139 12,971 13,030 12,966 12,969 12,937
Warren Illinois 19,181 19,160 19,223 19,255 19,015 19,035 19,097 18,905 18,971 18,958 18,870 18,735
Washington Illinois 14,965 14,963 14,860 14,796 14,939 15,037 15,104 15,155 15,283 15,240 15,143 15,148
Wayne Illinois 17,241 17,217 17,022 17,018 17,077 17,142 17,157 17,141 17,152 17,108 17,203 17,151
White Illinois 16,522 16,481 16,359 16,143 15,972 15,827 15,822 15,674 15,580 15,469 15,403 15,371
Whiteside Illinois 60,186 60,156 60,583 60,734 60,662 60,785 60,828 60,957 60,859 60,719 60,658 60,653
Will Illinois 357,313 359,459 367,887 376,477 389,030 402,712 418,351 434,620 450,816 467,549 486,207 502,266
Williamson Illinois 57,733 57,715 57,879 58,621 59,111 59,955 60,430 60,628 61,194 61,372 61,476 61,296
Winnebago Illinois 252,913 253,721 258,085 261,397 264,649 266,904 269,020 271,688 273,489 275,161 276,752 278,418
Woodford Illinois 32,653 32,817 33,379 33,453 33,686 33,897 34,437 34,656 34,781 35,144 35,449 35,469
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Suggested Citation:
Table CO-EST2001-12-17 - Time Series of Illinois Intercensal Population Estimates by County: April 1, 1990 to April 1, 2000
Source: Population Division, U.S. Census Bureau
Release Date: April 17, 2002

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