Census ACS 2023 · 53 counties
Largest Counties in North Dakota
North Dakota has 53 counties with Census data available. The largest is Cass County with a population of 189,286. County-level data is important because counties are the primary unit of local government in most states, responsible for courts, elections, public health, and infrastructure. Population distribution across counties reveals where growth is concentrated and where rural decline may be occurring.
Source: Census ACS 2023 5-Year Estimates
| # | County | Population | Median Income |
|---|---|---|---|
| 1 | Williams County | 39,368 | $90,224 |
| 2 | Wells County | 3,942 | $61,346 |
| 3 | Ward County | 69,232 | $79,273 |
| 4 | Walsh County | 10,488 | $69,976 |
| 5 | Traill County | 7,980 | $88,289 |
| 6 | Towner County | 2,113 | $63,017 |
| 7 | Stutsman County | 21,525 | $60,172 |
| 8 | Steele County | 1,731 | $80,313 |
| 9 | Stark County | 33,116 | $80,744 |
| 10 | Slope County | 795 | $62,500 |
| 11 | Sioux County | 3,789 | $41,676 |
| 12 | Sheridan County | 1,327 | $67,361 |
| 13 | Sargent County | 3,822 | $77,697 |
| 14 | Rolette County | 12,065 | $57,355 |
| 15 | Richland County | 16,550 | $72,524 |
| 16 | Renville County | 2,277 | $76,311 |
| 17 | Ransom County | 5,662 | $74,521 |
| 18 | Ramsey County | 11,563 | $61,319 |
| 19 | Pierce County | 3,961 | $63,214 |
| 20 | Pembina County | 6,787 | $66,884 |
| 21 | Oliver County | 1,821 | $76,953 |
| 22 | Nelson County | 3,015 | $68,051 |
| 23 | Mountrail County | 9,567 | $81,292 |
| 24 | Morton County | 33,479 | $79,483 |
| 25 | Mercer County | 8,341 | $79,405 |
| 26 | McLean County | 9,807 | $81,847 |
| 27 | McKenzie County | 14,280 | $88,289 |
| 28 | McIntosh County | 2,512 | $64,236 |
| 29 | McHenry County | 5,264 | $80,614 |
| 30 | Logan County | 1,848 | $61,339 |
| 31 | LaMoure County | 4,107 | $70,263 |
| 32 | Kidder County | 2,374 | $61,850 |
| 33 | Hettinger County | 2,453 | $70,827 |
| 34 | Griggs County | 2,340 | $64,737 |
| 35 | Grant County | 2,276 | $56,750 |
| 36 | Grand Forks County | 72,764 | $68,450 |
| 37 | Golden Valley County | 1,679 | $76,528 |
| 38 | Foster County | 3,372 | $83,412 |
| 39 | Emmons County | 3,269 | $67,368 |
| 40 | Eddy County | 2,319 | $55,389 |
| 41 | Dunn County | 4,043 | $94,688 |
| 42 | Divide County | 2,174 | $89,297 |
| 43 | Dickey County | 4,959 | $63,125 |
| 44 | Cavalier County | 3,663 | $67,064 |
| 45 | Cass County | 189,286 | $75,023 |
| 46 | Burleigh County | 98,986 | $84,948 |
| 47 | Burke County | 2,163 | $96,339 |
| 48 | Bowman County | 2,935 | $83,773 |
| 49 | Bottineau County | 6,390 | $83,460 |
| 50 | Billings County | 948 | $81,250 |
| 51 | Benson County | 5,861 | $68,049 |
| 52 | Barnes County | 10,794 | $70,230 |
| 53 | Adams County | 2,179 | $55,417 |
More Rankings for North Dakota
Frequently Asked Questions
Cass County is the #1 ranked county in North Dakota by population, with a value of 189,286 according to Census ACS 2023 data.
North Dakota has 53 counties tracked in Census ACS 2023 data.
All data comes from the American Community Survey (ACS) 2023 5-Year estimates by the US Census Bureau.
Data from the American Community Survey 2023 5-Year estimates. Covers all counties in North Dakota.