| Annual Estimates of the Population for Counties of Kansas: April 1, 2000 to July 1, 2006 | |||||||||
| Geographic Area | Population Estimates | April 1, 2000 | |||||||
| July 1, 2006 | July 1, 2005 | July 1, 2004 | July 1, 2003 | July 1, 2002 | July 1, 2001 | July 1, 2000 | Estimates Base | Census | |
| Kansas | 2,764,075 | 2,748,172 | 2,738,356 | 2,727,042 | 2,714,792 | 2,702,446 | 2,692,947 | 2,688,824 | 2,688,418 |
| Allen County | 13,677 | 13,739 | 13,886 | 13,929 | 14,096 | 14,194 | 14,378 | 14,385 | 14,385 |
| Anderson County | 8,051 | 8,147 | 8,151 | 8,218 | 8,159 | 8,205 | 8,100 | 8,110 | 8,110 |
| Atchison County | 16,745 | 16,741 | 16,843 | 16,765 | 16,747 | 16,810 | 16,761 | 16,774 | 16,774 |
| Barber County | 4,974 | 4,937 | 4,983 | 5,041 | 5,084 | 5,158 | 5,292 | 5,307 | 5,307 |
| Barton County | 27,511 | 27,553 | 27,982 | 27,699 | 27,811 | 27,917 | 28,128 | 28,205 | 28,205 |
| Bourbon County | 14,950 | 14,947 | 15,060 | 15,148 | 15,194 | 15,369 | 15,388 | 15,379 | 15,379 |
| Brown County | 10,236 | 10,222 | 10,351 | 10,414 | 10,492 | 10,636 | 10,712 | 10,724 | 10,724 |
| Butler County | 63,147 | 62,376 | 61,689 | 60,984 | 60,468 | 59,964 | 59,697 | 59,484 | 59,482 |
| Chase County | 3,070 | 3,070 | 3,075 | 2,978 | 3,043 | 3,001 | 3,033 | 3,030 | 3,030 |
| Chautauqua County | 3,953 | 4,087 | 4,195 | 4,190 | 4,202 | 4,263 | 4,350 | 4,359 | 4,359 |
| Cherokee County | 21,451 | 21,462 | 21,782 | 21,850 | 22,006 | 22,274 | 22,557 | 22,603 | 22,605 |
| Cheyenne County | 2,911 | 2,929 | 2,959 | 2,985 | 3,049 | 3,102 | 3,158 | 3,165 | 3,165 |
| Clark County | 2,206 | 2,258 | 2,325 | 2,341 | 2,357 | 2,384 | 2,385 | 2,390 | 2,390 |
| Clay County | 8,625 | 8,614 | 8,568 | 8,551 | 8,665 | 8,737 | 8,828 | 8,822 | 8,822 |
| Cloud County | 9,594 | 9,730 | 9,729 | 9,863 | 9,954 | 10,076 | 10,221 | 10,268 | 10,268 |
| Coffey County | 8,701 | 8,666 | 8,718 | 8,838 | 8,825 | 8,833 | 8,880 | 8,865 | 8,865 |
| Comanche County | 1,884 | 1,945 | 1,914 | 1,916 | 1,956 | 1,984 | 1,956 | 1,967 | 1,967 |
| Cowley County | 34,931 | 35,104 | 35,664 | 35,740 | 36,370 | 35,954 | 36,284 | 36,291 | 36,291 |
| Crawford County | 38,059 | 38,106 | 38,147 | 38,263 | 37,985 | 38,265 | 38,230 | 38,245 | 38,242 |
| Decatur County | 3,120 | 3,151 | 3,251 | 3,306 | 3,383 | 3,438 | 3,461 | 3,472 | 3,472 |
| Dickinson County | 19,322 | 19,166 | 19,126 | 19,225 | 19,115 | 19,153 | 19,373 | 19,344 | 19,344 |
| Doniphan County | 7,865 | 7,823 | 7,991 | 8,149 | 8,175 | 8,245 | 8,248 | 8,249 | 8,249 |
| Douglas County | 112,123 | 111,519 | 109,471 | 107,050 | 105,001 | 102,616 | 100,139 | 99,965 | 99,962 |
| Edwards County | 3,138 | 3,248 | 3,299 | 3,269 | 3,347 | 3,385 | 3,427 | 3,449 | 3,449 |
| Elk County | 3,077 | 3,109 | 3,117 | 3,134 | 3,201 | 3,191 | 3,227 | 3,261 | 3,261 |
| Ellis County | 26,926 | 26,839 | 27,027 | 27,203 | 27,300 | 27,420 | 27,429 | 27,507 | 27,507 |
| Ellsworth County | 6,332 | 6,294 | 6,337 | 6,379 | 6,383 | 6,452 | 6,531 | 6,525 | 6,525 |
| Finney County | 39,097 | 39,059 | 39,217 | 39,111 | 39,428 | 40,240 | 40,638 | 40,523 | 40,523 |
| Ford County | 33,783 | 33,716 | 33,430 | 33,057 | 32,525 | 32,472 | 32,600 | 32,459 | 32,458 |
| Franklin County | 26,513 | 26,179 | 26,033 | 25,820 | 25,527 | 25,152 | 24,874 | 24,784 | 24,784 |
| Geary County | 24,174 | 24,326 | 25,017 | 26,037 | 26,450 | 27,137 | 27,732 | 27,943 | 27,947 |
| Gove County | 2,721 | 2,758 | 2,820 | 2,883 | 2,961 | 3,012 | 3,067 | 3,068 | 3,068 |
| Graham County | 2,677 | 2,713 | 2,750 | 2,808 | 2,871 | 2,884 | 2,922 | 2,946 | 2,946 |
| Grant County | 7,552 | 7,545 | 7,632 | 7,746 | 7,910 | 7,786 | 7,887 | 7,909 | 7,909 |
| Gray County | 5,852 | 5,880 | 5,973 | 6,018 | 5,998 | 5,931 | 5,913 | 5,904 | 5,904 |
| Greeley County | 1,331 | 1,361 | 1,411 | 1,405 | 1,451 | 1,532 | 1,540 | 1,534 | 1,534 |
| Greenwood County | 7,067 | 7,335 | 7,486 | 7,543 | 7,642 | 7,735 | 7,668 | 7,673 | 7,673 |
| Hamilton County | 2,594 | 2,591 | 2,626 | 2,681 | 2,675 | 2,688 | 2,660 | 2,670 | 2,670 |
| Harper County | 5,952 | 6,045 | 6,184 | 6,282 | 6,300 | 6,448 | 6,502 | 6,536 | 6,536 |
| Harvey County | 33,643 | 33,711 | 33,645 | 33,537 | 33,385 | 33,000 | 32,886 | 32,869 | 32,869 |
| Haskell County | 4,171 | 4,215 | 4,252 | 4,223 | 4,235 | 4,267 | 4,306 | 4,307 | 4,307 |
| Hodgeman County | 2,071 | 2,065 | 2,109 | 2,134 | 2,153 | 2,130 | 2,084 | 2,084 | 2,085 |
| Jackson County | 13,500 | 13,448 | 13,170 | 13,058 | 12,871 | 12,719 | 12,683 | 12,657 | 12,657 |
| Jefferson County | 18,848 | 18,969 | 18,913 | 18,792 | 18,693 | 18,588 | 18,467 | 18,426 | 18,426 |
| Jewell County | 3,324 | 3,324 | 3,413 | 3,443 | 3,509 | 3,620 | 3,764 | 3,791 | 3,791 |
| Johnson County | 516,731 | 506,172 | 496,791 | 486,698 | 476,130 | 464,066 | 454,642 | 451,476 | 451,086 |
| Kearny County | 4,469 | 4,518 | 4,525 | 4,473 | 4,574 | 4,595 | 4,508 | 4,531 | 4,531 |
| Kingman County | 7,975 | 8,132 | 8,335 | 8,427 | 8,412 | 8,574 | 8,680 | 8,673 | 8,673 |
| Kiowa County | 2,969 | 2,983 | 3,071 | 3,123 | 3,098 | 3,138 | 3,254 | 3,278 | 3,278 |
| Labette County | 22,203 | 22,149 | 22,130 | 22,266 | 22,325 | 22,481 | 22,751 | 22,831 | 22,835 |
| Lane County | 1,797 | 1,875 | 1,930 | 1,962 | 1,990 | 2,095 | 2,145 | 2,155 | 2,155 |
| Leavenworth County | 73,628 | 72,754 | 72,294 | 71,859 | 71,145 | 69,941 | 68,970 | 68,691 | 68,691 |
| Lincoln County | 3,396 | 3,414 | 3,398 | 3,506 | 3,506 | 3,557 | 3,575 | 3,578 | 3,578 |
| Linn County | 9,962 | 9,954 | 9,757 | 9,728 | 9,713 | 9,708 | 9,604 | 9,570 | 9,570 |
| Logan County | 2,675 | 2,764 | 2,817 | 2,858 | 2,947 | 2,988 | 3,049 | 3,046 | 3,046 |
| Lyon County | 35,369 | 35,579 | 35,791 | 35,710 | 35,741 | 35,977 | 35,968 | 35,935 | 35,935 |
| McPherson County | 29,380 | 29,492 | 29,384 | 29,333 | 29,342 | 29,525 | 29,585 | 29,554 | 29,554 |
| Marion County | 12,760 | 12,918 | 13,006 | 13,244 | 13,291 | 13,405 | 13,377 | 13,361 | 13,361 |
| Marshall County | 10,349 | 10,418 | 10,424 | 10,521 | 10,649 | 10,818 | 10,938 | 10,965 | 10,965 |
| Meade County | 4,561 | 4,604 | 4,577 | 4,624 | 4,676 | 4,680 | 4,631 | 4,631 | 4,631 |
| Miami County | 30,900 | 30,385 | 29,794 | 29,202 | 28,924 | 28,703 | 28,503 | 28,351 | 28,351 |
| Mitchell County | 6,299 | 6,405 | 6,508 | 6,670 | 6,694 | 6,767 | 6,915 | 6,932 | 6,932 |
| Montgomery County | 34,692 | 34,592 | 34,836 | 34,956 | 35,262 | 35,813 | 36,201 | 36,257 | 36,252 |
| Morris County | 6,046 | 6,070 | 5,976 | 5,969 | 6,020 | 6,073 | 6,112 | 6,104 | 6,104 |
| Morton County | 3,138 | 3,177 | 3,221 | 3,328 | 3,359 | 3,381 | 3,479 | 3,496 | 3,496 |
| Nemaha County | 10,374 | 10,380 | 10,412 | 10,482 | 10,493 | 10,452 | 10,693 | 10,717 | 10,717 |
| Neosho County | 16,298 | 16,496 | 16,534 | 16,565 | 16,703 | 16,883 | 16,945 | 16,997 | 16,997 |
| Ness County | 2,946 | 3,003 | 3,067 | 3,150 | 3,276 | 3,356 | 3,444 | 3,454 | 3,454 |
| Norton County | 5,584 | 5,643 | 5,714 | 5,825 | 5,831 | 5,862 | 5,955 | 5,953 | 5,953 |
| Osage County | 16,958 | 17,055 | 17,009 | 16,877 | 16,814 | 16,722 | 16,767 | 16,714 | 16,712 |
| Osborne County | 3,978 | 4,033 | 4,093 | 4,146 | 4,283 | 4,348 | 4,433 | 4,452 | 4,452 |
| Ottawa County | 6,168 | 6,148 | 6,149 | 6,171 | 6,192 | 6,149 | 6,195 | 6,163 | 6,163 |
| Pawnee County | 6,515 | 6,683 | 6,741 | 6,795 | 6,902 | 7,036 | 7,221 | 7,233 | 7,233 |
| Phillips County | 5,444 | 5,484 | 5,597 | 5,657 | 5,767 | 5,876 | 6,001 | 6,001 | 6,001 |
| Pottawatomie County | 19,220 | 19,067 | 18,892 | 18,675 | 18,431 | 18,340 | 18,287 | 18,209 | 18,209 |
| Pratt County | 9,436 | 9,485 | 9,387 | 9,462 | 9,589 | 9,545 | 9,631 | 9,647 | 9,647 |
| Rawlins County | 2,643 | 2,667 | 2,763 | 2,833 | 2,883 | 2,904 | 2,960 | 2,966 | 2,966 |
| Reno County | 63,706 | 63,548 | 63,541 | 63,741 | 63,995 | 64,477 | 64,692 | 64,790 | 64,790 |
| Republic County | 5,033 | 5,149 | 5,214 | 5,319 | 5,443 | 5,662 | 5,806 | 5,835 | 5,835 |
| Rice County | 10,295 | 10,405 | 10,477 | 10,438 | 10,516 | 10,625 | 10,737 | 10,761 | 10,761 |
| Riley County | 62,527 | 61,846 | 63,132 | 63,125 | 61,183 | 61,828 | 62,792 | 62,856 | 62,843 |
| Rooks County | 5,290 | 5,308 | 5,363 | 5,406 | 5,489 | 5,585 | 5,662 | 5,685 | 5,685 |
| Rush County | 3,317 | 3,394 | 3,444 | 3,440 | 3,465 | 3,517 | 3,542 | 3,551 | 3,551 |
| Russell County | 6,740 | 6,812 | 6,972 | 6,943 | 7,029 | 7,149 | 7,352 | 7,370 | 7,370 |
| Saline County | 54,170 | 53,980 | 53,863 | 53,702 | 53,929 | 53,810 | 53,621 | 53,597 | 53,597 |
| Scott County | 4,643 | 4,683 | 4,629 | 4,831 | 4,925 | 5,097 | 5,101 | 5,120 | 5,120 |
| Sedgwick County | 470,895 | 466,114 | 463,126 | 461,596 | 460,278 | 456,215 | 453,544 | 452,869 | 452,869 |
| Seward County | 23,404 | 23,263 | 23,251 | 23,208 | 23,060 | 22,684 | 22,559 | 22,510 | 22,510 |
| Shawnee County | 172,693 | 171,828 | 171,393 | 170,845 | 170,417 | 170,394 | 170,074 | 169,869 | 169,871 |
| Sheridan County | 2,600 | 2,608 | 2,598 | 2,672 | 2,670 | 2,718 | 2,803 | 2,813 | 2,813 |
| Sherman County | 5,981 | 6,120 | 6,185 | 6,298 | 6,423 | 6,642 | 6,740 | 6,760 | 6,760 |
| Smith County | 4,024 | 4,113 | 4,158 | 4,229 | 4,295 | 4,425 | 4,522 | 4,536 | 4,536 |
| Stafford County | 4,435 | 4,492 | 4,505 | 4,568 | 4,664 | 4,728 | 4,765 | 4,789 | 4,789 |
| Stanton County | 2,232 | 2,258 | 2,362 | 2,383 | 2,423 | 2,411 | 2,401 | 2,406 | 2,406 |
| Stevens County | 5,287 | 5,424 | 5,481 | 5,336 | 5,325 | 5,363 | 5,459 | 5,463 | 5,463 |
| Sumner County | 24,441 | 24,732 | 25,070 | 25,213 | 25,514 | 25,747 | 25,989 | 25,946 | 25,946 |
| Thomas County | 7,468 | 7,599 | 7,784 | 7,928 | 8,071 | 8,144 | 8,177 | 8,180 | 8,180 |
| Trego County | 2,993 | 3,029 | 3,130 | 3,100 | 3,139 | 3,240 | 3,288 | 3,319 | 3,319 |
| Wabaunsee County | 6,895 | 6,953 | 6,854 | 6,821 | 6,767 | 6,819 | 6,876 | 6,885 | 6,885 |
| Wallace County | 1,557 | 1,556 | 1,573 | 1,620 | 1,665 | 1,695 | 1,736 | 1,749 | 1,749 |
| Washington County | 5,944 | 5,999 | 6,060 | 6,170 | 6,214 | 6,306 | 6,471 | 6,483 | 6,483 |
| Wichita County | 2,288 | 2,323 | 2,332 | 2,450 | 2,480 | 2,528 | 2,522 | 2,531 | 2,531 |
| Wilson County | 9,889 | 9,850 | 9,884 | 10,111 | 10,152 | 10,254 | 10,309 | 10,332 | 10,332 |
| Woodson County | 3,507 | 3,561 | 3,544 | 3,626 | 3,653 | 3,784 | 3,766 | 3,788 | 3,788 |
| Wyandotte County | 155,509 | 155,704 | 155,787 | 156,822 | 157,694 | 158,474 | 157,856 | 157,882 | 157,882 |
Source: Population Division, U.S. Census Bureau