North Dakota
People per square mile, 1990:
People per square mile, 2000:
Historic & Projected Growth
1790 to 2030
| Year | Population | Year | Population | Year | Population | ||
| 1790 | 0 | 1880 | 36,909 | 1970 | 617,792 | ||
| 1800 | 0 | 1890 | 190,983 | 1980 | 652,717 | ||
| 1810 | 0 | 1900 | 319,146 | 1990 | 638,800 | ||
| 1820 | 0 | 1910 | 577,056 | 2000 | 642,200 | ||
| 1830 | 0 | 1920 | 646,872 | 2010 | 636,623 | ||
| 1840 | 0 | 1930 | 680,845 | 2020 | 630,112 | ||
| 1850 | 0 | 1940 | 641,935 | 2030 | 606,566 | ||
| 1860 | 0 | 1950 | 619,636 | ||||
| 1870 | 2,405 | 1960 | 632,446 |
Population By County
| Census 2000 Population | Change | Percent Change | |
| NORTH DAKOTA | 642,200 | 3,400 | .05 |
| Adams County | 2,593 | -581 | -18.3 |
| Barnes County | 11,775 | -770 | -6.1 |
| Benson County | 6,964 | -234 | -3.3 |
| Billings County | 888 | -220 | -19.9 |
| Bottineau County | 7,149 | -862 | -10.8 |
| Bowman County | 3,242 | -354 | -9.8 |
| Burke County | 2,242 | -760 | -25.3 |
| Burleigh County | 69,416 | 9,285 | 15.4 |
| Cass County | 123,138 | 20,264 | 19.7 |
| Cavalier County | 4,831 | -1,233 | -20.3 |
| Dickey County | 5,757 | -350 | -5.7 |
| Divide County | 2,283 | -616 | -21.2 |
| Dunn County | 3,600 | -405 | -10.1 |
| Eddy County | 2,757 | -194 | -6.6 |
| Emmons County | 4,331 | -499 | -10.3 |
| Foster County | 3,759 | -224 | -5.6 |
| Golden Valley County | 1,924 | -184 | -8.7 |
| Grand Forks County | 66,109 | -4,574 | -6.5 |
| Grant County | 2,841 | -708 | -19.9 |
| Griggs County | 2,754 | -549 | -16.6 |
| Hettinger County | 2,715 | -730 | -21.2 |
| Kidder County | 2,753 | -579 | -17.4 |
| LaMoure County | 4,701 | -682 | -12.7 |
| Logan County | 2,308 | -539 | -18.9 |
| McHenry County | 5,987 | -541 | -8.3 |
| McIntosh County | 3,390 | -631 | -15.7 |
| McKenzie County | 5,737 | -646 | -10.1 |
| McLean County | 9,311 | -1,146 | -11.0 |
| Mercer County | 8,644 | -1,164 | -11.9 |
| Morton County | 25,303 | 1,603 | 6.8 |
| Mountrail County | 6,631 | -390 | -5.6 |
| Nelson County | 3,715 | -695 | -15.8 |
| Oliver County | 2,065 | -316 | -13.3 |
| Pembina County | 8,585 | -653 | -7.1 |
| Pierce County | 4,675 | -377 | -7.5 |
| Ramsey County | 12,066 | -615 | -4.8 |
| Ransom County | 5,890 | -31 | -0.5 |
| Renville County | 2,610 | -550 | -17.4 |
| Richland County | 17,998 | -150 | -0.8 |
| Rolette County | 13,674 | 902 | 7.1 |
| Sargent County | 4,366 | -183 | -4.0 |
| Sheridan County | 1,710 | -438 | -20.4 |
| Sioux County | 4,044 | 283 | 7.5 |
| Slope County | 767 | -140 | -15.4 |
| Stark County | 22,636 | -196 | -0.9 |
| Steele County | 2,258 | -162 | -6.7 |
| Stutsman County | 21,908 | -333 | -1.5 |
| Towner County | 2,876 | -751 | -20.7 |
| Traill County | 8,477 | -275 | -3.1 |
| Walsh County | 12,389 | -1,451 | -10.5 |
| Ward County | 58,795 | 874 | 1.5 |
| Wells County | 5,102 | -762 | -13.0 |
| Williams County | 19,761 | -1,368 | -6.5 |
SOURCE: U.S. Bureau of the Census
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