| Annual Estimates of the Population for Counties of North Dakota: 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 | |
| North Dakota | 635,867 | 634,605 | 635,848 | 632,620 | 633,649 | 636,349 | 641,193 | 642,200 | 642,200 |
| Adams County | 2,332 | 2,394 | 2,440 | 2,457 | 2,506 | 2,544 | 2,578 | 2,593 | 2,593 |
| Barnes County | 10,955 | 11,006 | 11,103 | 11,114 | 11,248 | 11,442 | 11,717 | 11,775 | 11,775 |
| Benson County | 6,997 | 7,023 | 6,994 | 6,893 | 6,862 | 6,985 | 6,961 | 6,964 | 6,964 |
| Billings County | 829 | 824 | 820 | 846 | 873 | 885 | 874 | 888 | 888 |
| Bottineau County | 6,650 | 6,740 | 6,771 | 6,852 | 6,884 | 7,011 | 7,118 | 7,149 | 7,149 |
| Bowman County | 2,991 | 3,029 | 3,094 | 3,069 | 3,088 | 3,123 | 3,230 | 3,242 | 3,242 |
| Burke County | 1,947 | 2,022 | 2,072 | 2,095 | 2,116 | 2,175 | 2,232 | 2,242 | 2,242 |
| Burleigh County | 75,384 | 73,900 | 72,504 | 71,712 | 70,922 | 70,087 | 69,523 | 69,416 | 69,416 |
| Cass County | 132,525 | 130,455 | 129,500 | 126,548 | 125,234 | 124,382 | 123,392 | 123,138 | 123,138 |
| Cavalier County | 4,099 | 4,274 | 4,376 | 4,494 | 4,578 | 4,674 | 4,809 | 4,831 | 4,831 |
| Dickey County | 5,398 | 5,458 | 5,565 | 5,465 | 5,558 | 5,670 | 5,751 | 5,757 | 5,757 |
| Divide County | 2,092 | 2,146 | 2,198 | 2,206 | 2,198 | 2,181 | 2,265 | 2,283 | 2,283 |
| Dunn County | 3,443 | 3,433 | 3,448 | 3,535 | 3,536 | 3,564 | 3,601 | 3,600 | 3,600 |
| Eddy County | 2,502 | 2,579 | 2,609 | 2,614 | 2,629 | 2,676 | 2,740 | 2,757 | 2,757 |
| Emmons County | 3,645 | 3,759 | 3,918 | 4,010 | 4,088 | 4,198 | 4,306 | 4,331 | 4,331 |
| Foster County | 3,583 | 3,548 | 3,515 | 3,510 | 3,576 | 3,642 | 3,741 | 3,759 | 3,759 |
| Golden Valley County | 1,691 | 1,724 | 1,761 | 1,821 | 1,829 | 1,858 | 1,918 | 1,924 | 1,924 |
| Grand Forks County | 65,435 | 65,210 | 65,947 | 64,659 | 64,829 | 65,214 | 65,871 | 66,109 | 66,109 |
| Grant County | 2,588 | 2,637 | 2,646 | 2,690 | 2,726 | 2,818 | 2,836 | 2,841 | 2,841 |
| Griggs County | 2,456 | 2,492 | 2,519 | 2,568 | 2,598 | 2,641 | 2,731 | 2,754 | 2,754 |
| Hettinger County | 2,564 | 2,549 | 2,569 | 2,539 | 2,591 | 2,633 | 2,693 | 2,715 | 2,715 |
| Kidder County | 2,453 | 2,458 | 2,548 | 2,592 | 2,591 | 2,668 | 2,736 | 2,753 | 2,753 |
| LaMoure County | 4,262 | 4,353 | 4,485 | 4,518 | 4,567 | 4,622 | 4,680 | 4,701 | 4,701 |
| Logan County | 1,999 | 2,052 | 2,092 | 2,123 | 2,191 | 2,218 | 2,296 | 2,308 | 2,308 |
| McHenry County | 5,429 | 5,483 | 5,603 | 5,698 | 5,722 | 5,812 | 5,952 | 5,987 | 5,987 |
| McIntosh County | 2,956 | 3,005 | 3,080 | 3,197 | 3,228 | 3,311 | 3,378 | 3,390 | 3,390 |
| McKenzie County | 5,700 | 5,611 | 5,508 | 5,574 | 5,673 | 5,663 | 5,712 | 5,737 | 5,737 |
| McLean County | 8,543 | 8,599 | 8,809 | 8,946 | 9,035 | 9,164 | 9,265 | 9,311 | 9,311 |
| Mercer County | 8,234 | 8,323 | 8,406 | 8,477 | 8,521 | 8,556 | 8,606 | 8,644 | 8,644 |
| Morton County | 25,754 | 25,498 | 25,322 | 25,167 | 25,216 | 25,147 | 25,335 | 25,303 | 25,303 |
| Mountrail County | 6,442 | 6,530 | 6,534 | 6,473 | 6,493 | 6,557 | 6,603 | 6,629 | 6,631 |
| Nelson County | 3,289 | 3,412 | 3,436 | 3,422 | 3,458 | 3,603 | 3,698 | 3,715 | 3,715 |
| Oliver County | 1,808 | 1,820 | 1,867 | 1,898 | 1,950 | 1,987 | 2,056 | 2,065 | 2,065 |
| Pembina County | 7,906 | 7,981 | 8,150 | 8,220 | 8,262 | 8,369 | 8,554 | 8,585 | 8,585 |
| Pierce County | 4,221 | 4,261 | 4,353 | 4,442 | 4,531 | 4,597 | 4,663 | 4,675 | 4,675 |
| Ramsey County | 11,267 | 11,354 | 11,442 | 11,565 | 11,751 | 11,812 | 12,026 | 12,066 | 12,066 |
| Ransom County | 5,695 | 5,776 | 5,808 | 5,845 | 5,836 | 5,862 | 5,895 | 5,890 | 5,890 |
| Renville County | 2,425 | 2,450 | 2,455 | 2,487 | 2,530 | 2,528 | 2,594 | 2,610 | 2,610 |
| Richland County | 16,888 | 17,287 | 17,435 | 17,599 | 17,440 | 17,628 | 17,953 | 17,998 | 17,998 |
| Rolette County | 13,903 | 13,856 | 13,838 | 13,715 | 13,766 | 13,793 | 13,685 | 13,674 | 13,674 |
| Sargent County | 4,198 | 4,156 | 4,118 | 4,211 | 4,282 | 4,344 | 4,358 | 4,366 | 4,366 |
| Sheridan County | 1,408 | 1,444 | 1,461 | 1,527 | 1,572 | 1,632 | 1,698 | 1,710 | 1,710 |
| Sioux County | 4,282 | 4,196 | 4,147 | 4,128 | 4,115 | 4,027 | 4,065 | 4,044 | 4,044 |
| Slope County | 713 | 710 | 720 | 746 | 744 | 754 | 758 | 767 | 767 |
| Stark County | 22,167 | 22,119 | 22,122 | 22,104 | 22,173 | 22,308 | 22,547 | 22,636 | 22,636 |
| Steele County | 1,943 | 2,016 | 2,059 | 2,073 | 2,113 | 2,181 | 2,241 | 2,258 | 2,258 |
| Stutsman County | 20,761 | 20,767 | 20,872 | 21,142 | 21,367 | 21,567 | 21,854 | 21,908 | 21,908 |
| Towner County | 2,417 | 2,512 | 2,576 | 2,643 | 2,711 | 2,777 | 2,856 | 2,876 | 2,876 |
| Traill County | 8,178 | 8,302 | 8,326 | 8,259 | 8,307 | 8,359 | 8,470 | 8,477 | 8,477 |
| Walsh County | 11,362 | 11,541 | 11,608 | 11,744 | 11,873 | 12,130 | 12,362 | 12,389 | 12,389 |
| Ward County | 55,270 | 55,706 | 56,442 | 56,355 | 56,858 | 57,607 | 58,666 | 58,797 | 58,795 |
| Wells County | 4,432 | 4,555 | 4,630 | 4,703 | 4,808 | 4,891 | 5,082 | 5,102 | 5,102 |
| Williams County | 19,456 | 19,270 | 19,227 | 19,330 | 19,496 | 19,472 | 19,662 | 19,761 | 19,761 |
Source: Population Division, U.S. Census Bureau