Illinois Census 2000  
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  Illinois Counties  



TOTAL

4,413 - 13,695
14,241 - 19,704
19,922 - 35,535
36,052 - 68,277
83,919 - 5,376,742
  • Place mouse on county to view population figures for selected demographic.
  • Click on county to view a list of city population within the county.

  2000 Census Highlights  

Ten largest counties
2000 Census Population
Fastest growing counties by net change
1990-2000 Net Change
  1. Cook County
  2. DuPage County
  3. Lake County
  4. Will County
  5. Kane County
  6. Winnebago County
  7. McHenry County
  8. Madison County
  9. St. Clair County
  10. Sangamon County
5,376,741
904,161
644,356
502,266
404,119
278,418
260,077
258,941
256,082
188,951
  1. Cook County
  2. Will County
  3. Lake County
  4. DuPage County
  5. Kane County
  6. McHenry County
  7. Winnebago County
  8. McLean County
  9. Kendall County
  10. DeKalb County
271,674
144,953
127,938
122,495
86,648
76,836
25,505
21,253
15,131
11,037

  2000 Census Profiles  


2000 Census Profiles are available for all Illinois counties and townships.

  Comparisons  

Alphabetical Listing of all 102 counties
HTML| PDF (11k) | Excel (41k)

Counties ranked by their 2000 population
HTML | PDF (10k) | Excel (39k) | Color GIF Map (53k) | Printable GIF Map (41k)

Counties ranked by their net change in population from 1990 to 2000
HTML | PDF (10k) | Excel (39k) | Color GIF Map (67k) | Printable GIF Map (35k)

Counties ranked by their % change in population from 1990 to 2000
HTML | PDF (10k) | Excel (41k) | Color GIF Map (52k) | Printable GIF Map (50k)

Hispanic or Latino Population by County
Color GIF Map (55k) | Printable GIF Map (43k)

Hispanic or Latino Population by County change from 1990 to 2000
Color GIF Map (54k) | Printable GIF Map (37k)

Hispanic or Latino Population by County percent change from 1990 to 2000
Color GIF Map (41k) | Printable GIF Map (51k)


  Data Source  

U.S. Census Bureau Seal
  • U.S. Census Bureau
  • Geography Network



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    Gallatin - 6,445 Saline - 26,733 Williamson - 61,296 Jackson - 59,612 Franklin - 39,018 Hamilton - 8,621 Perry - 23,094 Randolph - 33,893 Monroe - 27,619 St. Clair - 256,082 Washington - 15,148 Jefferson - 40,045 Clinton - 35,535 Wayne - 17,151 White - 15,371 Wabash - 12,937 Edwards - 6,971 Richland - 16,149 Marion - 41,691 Clay - 14,560 Lawrence - 15,452 Crawford - 20,452  Jasper - 10,117 Effingham - 34,264 Fayette - 21,802 Bond - 17,633 Madison - 258,941 Jersey - 21,668 Calhoun - 5,084 Greene - 14,761 Macoupin - 49,019 Montgomery - 30,652 Shelby - 22,893 Cumberland - 11,253 Clark - 17,008 Pike - 17,384 Scott - 5,537 Morgan - 36,616 Sangamon - 188,951 Christian - 35,372 Moultrie - 14,287 Coles - 53,196 Edgar - 19,704 Douglas - 19,922 Macon - 114,706 Cass - 13,695 Brown - 6,950 Schuyler - 7,189 Adams - 68,277 Hancock - 20,121 McDonough - 32,913 Henderson - 8,213 Warren - 18,735 Fulton - 38,250 Mason - 16,038 Logan - 31,183 Dewitt - 16,798 Piatt - 16,365 Champaign - 179,669 Vermilion - 83,919 Tazewell - 128,485 McLean - 150,433 Woodford - 35,469 Peoria - 183,433 Ford - 14,241 Iroquois - 31,334 Livingston - 39,678 Kankakee - 103,833 Mercer - 16,957 Knox - 55,836 Stark - 6,332 Rock Island - 149,374 Henry - 51,020 Marshall - 13,180 Putnam - 6,086 Bureau - 35,503 LaSalle - 111,509 Grundy - 37,535 Will - 502,266 Kendall - 54,544 Lee - 36,062 Whiteside - 60,653 Cook - 5,376,741 DuPage - 904,161 Kane - 404,119 DeKalb - 88,969 Ogle - 51,032 Carroll- 16,674 Lake - 644,356 McHenry - 260,077 Boone - 41,786 Winnebago - 278,418 Stephenson - 48,979 Jo Daviess - 22,289 Menard - 12,486 Hardin - 4,800 Pope - 4,413 Johnson - 12,878 Union - 18,293 Alexander - 9,590 Pulaski - 7,348 Massac - 15,161 Franklin - 39,018