North Dakota Population By County in 2021 (ACS-5Yrs)
Updated on February 28, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, the total population of North Dakota was 773.34K. Among all North Dakota counties, Cass was the most populated county (182.99K), followed by Burleigh (97.90K), and then Grand Forks (73.10K).
On the other hand, the least populated counties were: Slope (775), Billings (839), and Sheridan (1.33K).
The chart and table below shows the population of each county and the percentage of North Dakota population in each county.
You can see similar information for other states and by state for the United States.
Related Topics: North Dakota ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census - ACS 5-Year Estimates, 2021 Census.
North Dakota Population By County in 2021
North Dakota Population By County in 2021
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| County | Population | % of State Population |
|---|---|---|
| Adams | 2237 | 0.29 |
| Barnes | 10869 | 1.41 |
| Benson | 6090 | 0.79 |
| Billings | 839 | 0.11 |
| Bottineau | 6442 | 0.83 |
| Bowman | 3024 | 0.39 |
| Burke | 2177 | 0.28 |
| Burleigh | 97895 | 12.66 |
| Cass | 182992 | 23.66 |
| Cavalier | 3725 | 0.48 |
| Dickey | 5013 | 0.65 |
| Divide | 2196 | 0.28 |
| Dunn | 4054 | 0.52 |
| Eddy | 2378 | 0.31 |
| Emmons | 3316 | 0.43 |
| Foster | 3396 | 0.44 |
| Golden Valley | 1812 | 0.23 |
| Grand Forks | 73101 | 9.45 |
| Grant | 2351 | 0.30 |
| Griggs | 2242 | 0.29 |
| Hettinger | 2502 | 0.32 |
| Kidder | 2397 | 0.31 |
| LaMoure | 4173 | 0.54 |
| Logan | 1814 | 0.24 |
| McHenry | 5420 | 0.70 |
| McIntosh | 2568 | 0.33 |
| McKenzie | 13762 | 1.78 |
| McLean | 9788 | 1.27 |
| Mercer | 8405 | 1.09 |
| Morton | 32916 | 4.26 |
| Mountrail | 9717 | 1.26 |
| Nelson | 3035 | 0.39 |
| Oliver | 1850 | 0.24 |
| Pembina | 6912 | 0.89 |
| Pierce | 4038 | 0.52 |
| Ramsey | 11638 | 1.51 |
| Ransom | 5679 | 0.73 |
| Renville | 2328 | 0.30 |
| Richland | 16546 | 2.14 |
| Rolette | 12508 | 1.62 |
| Sargent | 3839 | 0.50 |
| Sheridan | 1328 | 0.17 |
| Sioux | 3993 | 0.52 |
| Slope | 775 | 0.10 |
| Stark | 32710 | 4.23 |
| Steele | 1870 | 0.24 |
| Stutsman | 21678 | 2.80 |
| Towner | 2190 | 0.28 |
| Traill | 8008 | 1.04 |
| Walsh | 10631 | 1.38 |
| Ward | 69686 | 9.01 |
| Wells | 4031 | 0.52 |
| Williams | 38460 | 4.97 |