North Dakota Citizen Voting-age Population By County in 2015 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2015, the citizen voting-age population for North Dakota was 546,485 and represented 75.73% of the total North Dakota population.

Among all North Dakota counties, Cass had the highest citizen voting-age population (121.43K), followed by Burleigh (67.36K), and Grand Forks (53.32K).

In terms of percentages, Sheridan had the highest percentage of its population being citizens of voting-age (82.77%), followed by Divide (82.51%), and Nelson (81.97%).

The chart and table below shows the citizen voting-age population of each county and the percentage of each county's population that were citizens of voting-age.

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

See this for other years:
North Dakota Citizen Voting-age Population By County in 2015
North Dakota Citizen Voting-age Population By County in 2015
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County Citizen Voting-age Population % of County Population
Cass 121425 74.72
Burleigh 67365 76.36
Grand Forks 53320 77.30
Ward 50545 74.62
Morton 22385 77.23
Williams 21895 73.92
Stark 21220 74.12
Stutsman 16565 78.60
Richland 12705 77.87
Rolette 9600 66.21
Ramsey 8880 76.78
Barnes 8630 77.78
Walsh 8370 76.06
McLean 7415 78.47
McKenzie 6825 70.98
Mountrail 6805 73.53
Mercer 6735 78.00
Traill 6205 76.84
Pembina 5610 77.86
Bottineau 5235 78.90
Benson 4470 65.78
McHenry 4465 76.78
Ransom 4165 76.35
Dickey 3965 76.32
Pierce 3530 80.32
Wells 3410 81.09
LaMoure 3255 79.10
Dunn 3190 76.04
Cavalier 3095 79.56
Sargent 3015 77.81
Sioux 2735 62.44
Emmons 2715 78.36
Foster 2635 78.31
Nelson 2500 81.97
Bowman 2435 75.62
McIntosh 2240 81.16
Hettinger 2060 78.63
Kidder 1945 80.04
Grant 1930 81.78
Renville 1915 74.81
Divide 1910 82.51
Adams 1885 80.56
Griggs 1880 80.69
Eddy 1810 76.37
Towner 1710 74.51
Burke 1605 72.62
Steele 1585 80.05
Logan 1535 78.92
Oliver 1415 77.75
Golden Valley 1340 73.63
Sheridan 1105 82.77
Billings 765 78.87
Slope 540 80.00