Land Area, 2000
| A r e a | Population | Housing Units | Area in Square Miles | Density Per Square Mile of Land Area | |||
| Land | Water | Total | Population | Housing Units | |||
| North Dakota | 642,200 | 289,677 | 68,975.93 | 1,723.86 | 70,699.79 | 9.31 | 4.20 |
| Region I | 27,781 | 13,868 | 6,072.01 | 231.03 | 6,303.04 | 4.58 | 2.28 |
| Region II | 88,089 | 41,021 | 10,375.61 | 334.63 | 10,710.23 | 8.49 | 3.95 |
| Region III | 43,168 | 19,389 | 6,611.03 | 264.39 | 6,875.41 | 6.53 | 2.93 |
| Region IV | 90,798 | 39,259 | 4,819.92 | 44.49 | 4,864.42 | 18.84 | 8.15 |
| Region V | 162,127 | 70,924 | 6,497.69 | 25.20 | 6,522.88 | 24.95 | 10.92 |
| Region VI | 61,454 | 29,346 | 10,574.04 | 189.53 | 10,763.58 | 5.81 | 2.78 |
| Region VII | 130,418 | 57,799 | 14,024.32 | 548.68 | 14,573.03 | 9.30 | 4.12 |
| Region VIII | 38,365 | 18,071 | 10,001.31 | 85.91 | 10,087.22 | 3.84 | 1.81 |
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