North Dakota Population By County in 2015

Updated on January 27, 2024.

Based on the US Census Vintage data estimates, in 2015, the population of North Dakota was 755,537. Among all North Dakota counties, Cass had the highest population (171,028), followed by Burleigh (93,284), and Ward (71,409). Slope was the least populated county (783).

Hover over or click on the counties in the map below to see the populations. The data can also be found in a table below. You can use the table to sort, filter, and explore the data further.

You can see similar information for other states and by state for the United States.

Related Topics: North Dakota Census Vintage Data Topic List.

Data Source: US Census Bureau (Vintage).

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North Dakota Population By County in 2015

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County	Population	% of State Population
Adams	2396	0.32
Barnes	11017	1.46
Benson	6822	0.90
Billings	950	0.13
Bottineau	6742	0.89
Bowman	3276	0.43
Burke	2346	0.31
Burleigh	93284	12.35
Cass	171028	22.64
Cavalier	3824	0.51
Dickey	5052	0.67
Divide	2457	0.33
Dunn	4576	0.61
Eddy	2304	0.31
Emmons	3397	0.45
Foster	3325	0.44
Golden Valley	1881	0.25
Grand Forks	70448	9.32
Grant	2396	0.32
Griggs	2288	0.30
Hettinger	2658	0.35
Kidder	2451	0.32
LaMoure	4136	0.55
Logan	1927	0.26
McHenry	5975	0.79
McIntosh	2716	0.36
McKenzie	12817	1.70
McLean	9664	1.28
Mercer	8790	1.16
Morton	30273	4.01
Mountrail	10311	1.37
Nelson	2916	0.39
Oliver	1866	0.25
Pembina	7033	0.93
Pierce	4269	0.56
Ramsey	11667	1.54
Ransom	5455	0.72
Renville	2550	0.34
Richland	16306	2.16
Rolette	14707	1.95
Sargent	3871	0.51
Sheridan	1311	0.17
Sioux	4385	0.58
Slope	783	0.10
Stark	31908	4.22
Steele	1918	0.25
Stutsman	21090	2.79
Towner	2250	0.30
Traill	7991	1.06
Walsh	10852	1.44
Ward	71409	9.45
Wells	4094	0.54
Williams	35379	4.68