Total Population, 1990 to 2015


| A r e a | 1990 | 2000 | Percent Change: 1990 to 2000 | July 1 Estimates | Projections | Percent Change: 2000 to 2015 | |||||||
| 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2015 | |||||
| North Dakota | 638,800 | 642,200 | 0.5 | 636,211 | 633,521 | 632,689 | 636,196 | 635,222 | 636,453 | 637,904 | 641,481 | 648,972 | 1.1 |
| Region I | 30,411 | 27,781 | -8.6 | 27,208 | 27,214 | 26,926 | 26,761 | 26,748 | 26,824 | 27,151 | 27,506 | 23,951 | -13.8 |
| Region II | 90,695 | 88,089 | -2.9 | 86,352 | 85,271 | 84,626 | 84,495 | 83,596 | 82,687 | 82,266 | 82,159 | 83,591 | -5.1 |
| Region III | 45,293 | 43,168 | -4.7 | 42,590 | 42,134 | 41,629 | 41,413 | 41,048 | 40,584 | 40,343 | 40,275 | 41,622 | -3.6 |
| Region IV | 98,171 | 90,798 | -7.5 | 89,415 | 88,657 | 88,550 | 89,962 | 89,120 | 89,243 | 87,821 | 88,050 | 90,294 | -0.6 |
| Region V | 142,664 | 162,127 | 13.6 | 163,130 | 163,736 | 165,337 | 168,371 | 169,464 | 171,336 | 173,472 | 175,543 | 182,468 | 12.5 |
| Region VI | 66,294 | 61,454 | -7.3 | 59,914 | 59,010 | 58,143 | 57,580 | 56,943 | 56,271 | 55,512 | 54,878 | 57,114 | -7.1 |
| Region VII | 124,097 | 130,418 | 5.1 | 129,952 | 130,318 | 130,612 | 130,946 | 131,888 | 133,266 | 134,874 | 136,410 | 134,203 | 2.9 |
| Region VIII | 41,175 | 38,365 | -6.8 | 37,650 | 37,181 | 36,866 | 36,668 | 36,415 | 36,242 | 36,465 | 36,660 | 35,729 | -6.9 |