North Dakota Population By County in 2018

Updated on December 2, 2021.

According to the US Census Bureau population estimates, there were 760,062 people living in North Dakota in 2018. Cass County was the most populated county with 180,861 residents, followed by Burleigh County with 95,530 residents, and Grand Forks County with 70,675 residents. Slope County with a population of 766 was the least populated county in North Dakota in 2018.

Use the map below to interactively explore the population of each county in North Dakota in 2018. The data can also be explored further by sorting and filtering with the table below.

Hover/Click on the counties to see the values.
North Dakota Population By County (2018)
See also Population estimate for other years:
Table of North Dakota Population By County in 2018
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County Population % of State Population
Adams 2,272 0.30%
Barnes 10,540 1.39%
Benson 6,934 0.91%
Billings 923 0.12%
Bottineau 6,398 0.84%
Bowman 3,061 0.40%
Burke 2,100 0.28%
Burleigh 95,530 12.57%
Cass 180,861 23.80%
Cavalier 3,797 0.50%
Dickey 4,899 0.65%
Divide 2,249 0.30%
Dunn 4,302 0.57%
Eddy 2,274 0.30%
Emmons 3,261 0.43%
Foster 3,212 0.42%
Golden Valley 1,765 0.23%
Grand Forks 70,675 9.30%
Grant 2,353 0.31%
Griggs 2,213 0.29%
Hettinger 2,517 0.33%
Kidder 2,453 0.32%
LaMoure 4,079 0.54%
Logan 1,887 0.25%
McHenry 5,802 0.76%
McIntosh 2,556 0.34%
McKenzie 13,581 1.79%
McLean 9,510 1.25%
Mercer 8,291 1.09%
Morton 31,041 4.08%
Mountrail 10,217 1.34%
Nelson 2,881 0.38%
Oliver 1,950 0.26%
Pembina 6,857 0.90%
Pierce 4,072 0.54%
Ramsey 11,574 1.52%
Ransom 5,218 0.69%
Renville 2,349 0.31%
Richland 16,245 2.14%
Rolette 14,396 1.89%
Sargent 3,872 0.51%
Sheridan 1,336 0.18%
Sioux 4,382 0.58%
Slope 766 0.10%
Stark 30,934 4.07%
Steele 1,903 0.25%
Stutsman 20,897 2.75%
Towner 2,184 0.29%
Traill 7,994 1.05%
Walsh 10,602 1.40%
Ward 68,504 9.01%
Wells 3,895 0.51%
Williams 35,698 4.70%