| Historic Census Counts for Indiana Counties 1900 to 2000 | |||||||||||
| STATS Indiana | 1900 | 1910 | 1920 | 1930 | 1940 | 1950 | 1960 | 1970 | 1980 | 1990 | 2000 |
| Indiana | 2,516,462 | 2,700,876 | 2,930,390 | 3,238,503 | 3,427,796 | 3,934,224 | 4,662,498 | 5,195,392 | 5,490,210 | 5,544,159 | 6,080,485 |
| Adams | 22,232 | 21,840 | 20,503 | 19,957 | 21,254 | 22,393 | 24,643 | 26,871 | 29,619 | 31,095 | 33,625 |
| Allen | 77,270 | 93,386 | 114,303 | 146,743 | 155,084 | 183,722 | 232,196 | 280,455 | 294,335 | 300,836 | 331,849 |
| Bartholomew | 24,594 | 24,813 | 23,887 | 24,864 | 28,276 | 36,108 | 48,198 | 57,022 | 65,088 | 63,657 | 71,435 |
| Benton | 13,123 | 12,688 | 12,206 | 11,886 | 11,117 | 11,462 | 11,912 | 11,262 | 10,218 | 9,441 | 9,421 |
| Blackford | 17,213 | 15,820 | 14,084 | 13,617 | 13,783 | 14,026 | 14,792 | 15,888 | 15,570 | 14,067 | 14,048 |
| Boone | 26,321 | 24,673 | 23,575 | 22,290 | 22,081 | 23,993 | 27,543 | 30,870 | 36,446 | 38,147 | 46,107 |
| Brown | 9,727 | 7,975 | 7,019 | 5,168 | 6,189 | 6,209 | 7,024 | 9,057 | 12,377 | 14,080 | 14,957 |
| Carroll | 19,953 | 17,970 | 16,315 | 15,049 | 15,410 | 16,010 | 16,934 | 17,734 | 19,722 | 18,809 | 20,165 |
| Cass | 34,545 | 36,368 | 38,333 | 34,518 | 36,908 | 38,793 | 40,931 | 40,456 | 40,936 | 38,413 | 40,930 |
| Clark | 31,835 | 30,260 | 29,381 | 30,764 | 31,020 | 48,330 | 62,795 | 75,876 | 88,838 | 87,777 | 96,472 |
| Clay | 34,285 | 32,535 | 29,447 | 26,479 | 25,365 | 23,918 | 24,207 | 23,933 | 24,862 | 24,705 | 26,556 |
| Clinton | 28,202 | 26,674 | 27,737 | 27,329 | 28,411 | 29,734 | 30,765 | 30,547 | 31,545 | 30,974 | 33,866 |
| Crawford | 13,476 | 12,057 | 11,201 | 10,160 | 10,171 | 9,289 | 8,379 | 8,033 | 9,820 | 9,914 | 10,743 |
| Daviess | 29,914 | 27,747 | 26,856 | 25,832 | 26,163 | 26,762 | 26,636 | 26,602 | 27,836 | 27,533 | 29,820 |
| Dearborn | 22,194 | 21,396 | 20,033 | 21,056 | 23,053 | 25,141 | 28,674 | 29,430 | 34,291 | 38,835 | 46,109 |
| Decatur | 19,518 | 18,793 | 17,813 | 17,308 | 17,722 | 18,218 | 20,019 | 22,738 | 23,841 | 23,645 | 24,555 |
| Dekalb | 25,711 | 25,054 | 25,600 | 24,911 | 24,756 | 26,023 | 28,271 | 30,837 | 33,606 | 35,324 | 40,285 |
| Delaware | 49,624 | 51,414 | 56,377 | 67,270 | 74,963 | 90,252 | 110,938 | 129,219 | 128,587 | 119,659 | 118,769 |
| Dubois | 20,357 | 19,843 | 19,915 | 20,553 | 22,579 | 23,785 | 27,463 | 30,934 | 34,238 | 36,616 | 39,674 |
| Elkhart | 45,052 | 49,008 | 56,384 | 68,875 | 72,634 | 84,512 | 106,790 | 126,529 | 137,330 | 156,198 | 182,791 |
| Fayette | 13,495 | 14,415 | 17,142 | 19,243 | 19,411 | 23,391 | 24,454 | 26,216 | 28,272 | 26,015 | 25,588 |
| Floyd | 30,118 | 30,293 | 30,661 | 34,655 | 35,061 | 43,955 | 51,397 | 55,622 | 61,205 | 64,404 | 70,823 |
| Fountain | 21,446 | 20,439 | 18,823 | 17,971 | 18,299 | 17,836 | 18,706 | 18,257 | 19,033 | 17,808 | 17,954 |
| Franklin | 16,388 | 15,335 | 14,806 | 14,498 | 14,412 | 16,034 | 17,015 | 16,943 | 19,612 | 19,580 | 22,151 |
| Fulton | 17,453 | 16,879 | 16,478 | 15,038 | 15,577 | 16,565 | 16,957 | 16,984 | 19,335 | 18,840 | 20,511 |
| Gibson | 30,099 | 30,137 | 29,201 | 29,202 | 30,709 | 30,720 | 29,949 | 30,444 | 33,156 | 31,913 | 32,500 |
| Grant | 54,693 | 51,426 | 51,353 | 51,066 | 55,813 | 62,156 | 75,741 | 83,955 | 80,934 | 74,169 | 73,403 |
| Greene | 28,530 | 36,873 | 36,770 | 31,481 | 31,330 | 27,886 | 26,327 | 26,894 | 30,416 | 30,410 | 33,157 |
| Hamilton | 29,914 | 27,026 | 24,222 | 23,444 | 24,614 | 28,491 | 40,132 | 54,532 | 82,027 | 108,936 | 182,740 |
| Hancock | 19,189 | 19,030 | 17,210 | 16,605 | 17,302 | 20,332 | 26,665 | 35,096 | 43,939 | 45,527 | 55,391 |
| Harrison | 21,702 | 20,232 | 18,656 | 17,254 | 17,106 | 17,858 | 19,207 | 20,423 | 27,276 | 29,890 | 34,325 |
| Hendricks | 21,292 | 20,840 | 20,291 | 19,725 | 20,151 | 24,594 | 40,896 | 53,974 | 69,804 | 75,717 | 104,093 |
| Henry | 25,088 | 29,758 | 34,682 | 35,238 | 40,208 | 45,505 | 48,899 | 52,603 | 53,336 | 48,139 | 48,508 |
| Howard | 28,575 | 33,177 | 43,965 | 46,696 | 47,752 | 54,498 | 69,509 | 83,198 | 86,896 | 80,827 | 84,964 |
| Huntington | 28,901 | 28,982 | 31,671 | 29,073 | 29,931 | 31,400 | 33,814 | 34,970 | 35,596 | 35,427 | 38,075 |
| Jackson | 26,633 | 24,727 | 24,228 | 23,731 | 26,612 | 28,237 | 30,556 | 33,187 | 36,523 | 37,730 | 41,335 |
| Jasper | 14,292 | 13,044 | 13,961 | 13,388 | 14,397 | 17,031 | 18,842 | 20,429 | 26,138 | 24,960 | 30,043 |
| Jay | 26,818 | 24,961 | 23,318 | 20,846 | 22,601 | 23,157 | 22,572 | 23,575 | 23,239 | 21,512 | 21,806 |
| Jefferson | 22,913 | 20,483 | 20,709 | 19,182 | 19,912 | 21,613 | 24,061 | 27,006 | 30,419 | 29,797 | 31,705 |
| Jennings | 15,757 | 14,203 | 13,280 | 11,800 | 13,680 | 15,250 | 17,267 | 19,454 | 22,854 | 23,661 | 27,554 |
| Johnson | 20,223 | 20,394 | 20,739 | 21,706 | 22,493 | 26,183 | 43,704 | 61,138 | 77,240 | 88,109 | 115,209 |
| Knox | 32,746 | 39,183 | 46,195 | 43,813 | 43,973 | 43,415 | 41,561 | 41,546 | 41,838 | 39,884 | 39,256 |
| Kosciusko | 29,109 | 27,936 | 27,120 | 27,488 | 29,561 | 33,002 | 40,373 | 48,127 | 59,555 | 65,294 | 74,057 |
| Lagrange | 15,284 | 15,148 | 14,009 | 13,780 | 14,352 | 15,347 | 17,380 | 20,890 | 25,550 | 29,477 | 34,909 |
| Lake | 37,892 | 82,864 | 159,957 | 261,310 | 293,195 | 368,152 | 513,269 | 546,253 | 522,917 | 475,594 | 484,564 |
| Laporte | 38,386 | 45,797 | 50,443 | 60,490 | 63,660 | 76,808 | 95,111 | 105,342 | 108,632 | 107,066 | 110,106 |
| Lawrence | 25,729 | 30,625 | 28,228 | 35,583 | 35,045 | 34,346 | 36,564 | 38,038 | 42,472 | 42,836 | 45,922 |
| Madison | 70,470 | 65,224 | 69,151 | 82,888 | 88,575 | 103,911 | 125,819 | 138,522 | 139,336 | 130,669 | 133,358 |
| Marion | 197,227 | 263,661 | 348,061 | 422,666 | 460,926 | 551,777 | 697,567 | 793,769 | 765,233 | 797,159 | 860,454 |
| Marshall | 25,119 | 24,175 | 23,744 | 25,077 | 25,935 | 29,468 | 32,443 | 34,986 | 39,155 | 42,182 | 45,128 |
| Martin | 14,711 | 12,950 | 11,865 | 10,103 | 10,300 | 10,678 | 10,608 | 10,969 | 11,001 | 10,369 | 10,369 |
| Miami | 28,344 | 29,350 | 28,668 | 29,032 | 27,926 | 28,201 | 38,000 | 39,246 | 39,820 | 36,897 | 36,082 |
| Monroe | 20,873 | 23,426 | 24,519 | 35,974 | 36,534 | 50,080 | 59,225 | 85,221 | 98,783 | 108,978 | 120,563 |
| Montgomery | 29,388 | 29,296 | 28,490 | 26,980 | 27,231 | 29,122 | 32,089 | 33,930 | 35,501 | 34,436 | 37,629 |
| Morgan | 20,457 | 21,182 | 20,010 | 19,424 | 19,801 | 23,726 | 33,875 | 44,176 | 51,999 | 55,920 | 66,689 |
| Newton | 10,448 | 10,504 | 10,144 | 9,841 | 10,775 | 11,006 | 11,502 | 11,606 | 14,844 | 13,551 | 14,566 |
| Noble | 23,533 | 24,009 | 22,470 | 22,404 | 22,776 | 25,075 | 28,162 | 31,382 | 35,443 | 37,877 | 46,275 |
| Ohio | 4,724 | 4,329 | 4,024 | 3,747 | 3,782 | 4,223 | 4,165 | 4,289 | 5,114 | 5,315 | 5,623 |
| Orange | 16,854 | 17,192 | 16,974 | 17,459 | 17,311 | 16,879 | 16,877 | 16,968 | 18,677 | 18,409 | 19,306 |
| Owen | 15,149 | 14,053 | 12,760 | 11,351 | 12,090 | 11,763 | 11,400 | 12,163 | 15,841 | 17,281 | 21,786 |
| Parke | 23,000 | 22,214 | 18,875 | 16,561 | 17,358 | 15,674 | 14,804 | 14,628 | 16,372 | 15,410 | 17,241 |
| Perry | 18,778 | 18,078 | 16,692 | ||||||||