North Dakota Population By County (2018)
Created on February 25, 2020.
Data Updated on May 9, 2021.

According to the US Census Bureau population estimates, there were 758,080 people living in North Dakota in 2018. Cass County was the most populated county with 180,294 residents, followed by Burleigh County with 95,276 residents, and Grand Forks County with 70,355 residents. Slope County with a population of 761 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)
Table of North Dakota Population By County (2018)
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County Population % of State Population
Adams 2,276 0.30%
Barnes 10,527 1.39%
Benson 6,958 0.92%
Billings 918 0.12%
ottineau 6,398 0.84%
Bowman 3,067 0.41%
Burke 2,094 0.28%
Burleigh 95,276 12.57%
Cass 180,294 23.78%
Cavalier 3,811 0.50%
Dickey 4,931 0.65%
Divide 2,264 0.30%
Dunn 4,328 0.57%
Eddy 2,309 0.31%
Emmons 3,278 0.43%
Foster 3,207 0.42%
Golden Valley 1,763 0.23%
Grand Forks 70,355 9.28%
Grant 2,354 0.31%
Griggs 2,228 0.29%
Hettinger 2,503 0.33%
Kidder 2,453 0.32%
LaMoure 4,075 0.54%
Logan 1,887 0.25%
McHenry 5,808 0.77%
McIntosh 2,566 0.34%
McKenzie 13,594 1.79%
McLean 9,529 1.26%
Mercer 8,266 1.09%
Morton 31,058 4.10%
Mountrail 10,239 1.35%
Nelson 2,885 0.38%
Oliver 1,945 0.26%
Pembina 6,895 0.91%
Pierce 4,070 0.54%
Ramsey 11,580 1.53%
Ransom 5,224 0.69%
Renville 2,358 0.31%
Richland 16,229 2.14%
Rolette 14,349 1.89%
Sargent 3,851 0.51%
Sheridan 1,342 0.18%
Sioux 4,377 0.58%
Slope 761 0.10%
Stark 30,893 4.08%
Steele 1,892 0.25%
Stutsman 20,875 2.75%
Towner 2,185 0.29%
Traill 8,020 1.06%
Walsh 10,645 1.40%
Ward 67,713 8.93%
Wells 3,908 0.52%
Williams 35,469 4.68%