Ranking of North Dakota Counties By Number of People and Percentage of Population With No Health Insurance Coverage in 2021 (ACS-5Yrs)

Updated on October 27, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, the percentage of the North Dakota population without a health insurance coverage was 7.54% (i.e. 57,010 people). Percentagewise, among all North Dakota counties, Sioux County had the highest percentage of its population with no health insurance coverage (33.25%), followed by Rolette County (27.76%), and Dunn County (19.65%).

In numerical terms, Cass County had the highest number of people without a health insurance coverage (10,859), followed by Williams County (5,071), and Burleigh County (4,873).

The charts below shows the top 10 counties by the number of people and percentage of the population without a health insurance coverage. The tables below shows the ranking for all North Dakota counties.

You can see similar information for other types of health insurance coverages.

You can also see similar information for other states.

Ranking of North Dakota Counties By Percentage of Population With No Health Insurance Coverage in 2021
Sioux County
Rolette County
Dunn County
McKenzie County
Mountrail County
Williams County
Mercer County
Kidder County
Hettinger County
Towner County
Ranking of North Dakota Counties By Number of People With No Health Insurance Coverage in 2021
Cass County
Williams County
Burleigh County
Grand Forks County
Ward County
Rolette County
Stark County
McKenzie County
Morton County
Stutsman County
Ranking of North Dakota Counties By Percentage of Population With No Health Insurance Coverage in 2021
Items per page:
0 of 0
Rank County Percentage of Population (%)
1 Sioux County 33.25
2 Rolette County 27.76
3 Dunn County 19.65
4 McKenzie County 17.90
5 Mountrail County 16.98
6 Williams County 13.29
7 Mercer County 12.65
8 Kidder County 11.85
9 Hettinger County 9.84
10 Towner County 9.63
11 Sheridan County 9.49
12 Adams County 9.37
13 Stark County 9.02
14 Ramsey County 8.87
15 Divide County 8.18
16 Stutsman County 8.11
17 Benson County 7.63
18 Bowman County 7.56
19 Eddy County 7.46
20 Cavalier County 7.38
21 Nelson County 7.32
22 McIntosh County 6.83
23 Pembina County 6.77
24 Walsh County 6.74
25 Emmons County 6.59
26 Ward County 6.56
27 Bottineau County 6.46
28 Traill County 6.39
29 Grand Forks County 6.34
30 Oliver County 6.28
31 Pierce County 6.06
32 Cass County 5.99
33 Barnes County 5.86
34 Richland County 5.76
35 Wells County 5.66
36 Billings County 5.60
37 Steele County 5.46
38 Morton County 5.34
39 LaMoure County 5.24
40 Renville County 5.21
41 Burke County 5.15
42 Burleigh County 5.07
43 Grant County 5.06
44 Dickey County 4.88
45 McLean County 4.72
46 Ransom County 4.57
47 McHenry County 4.16
48 Griggs County 4.13
49 Foster County 3.42
50 Sargent County 2.82
51 Logan County 2.52
52 Slope County 2.32
53 Golden Valley County 2.17
Ranking of North Dakota Counties By Number of People With NO Health Insurance Coverage in 2021
Items per page:
0 of 0
Rank County Number of People
1 Cass County 10859
2 Williams County 5071
3 Burleigh County 4873
4 Grand Forks County 4483
5 Ward County 4248
6 Rolette County 3448
7 Stark County 2929
8 McKenzie County 2443
9 Morton County 1728
10 Stutsman County 1686
11 Mountrail County 1641
12 Sioux County 1317
13 Mercer County 1047
14 Ramsey County 995
15 Richland County 945
16 Dunn County 786
17 Walsh County 703
18 Barnes County 626
19 Traill County 499
20 Benson County 464
21 McLean County 457
22 Pembina County 456
23 Bottineau County 408
24 Kidder County 284
25 Cavalier County 268
26 Ransom County 253
27 Dickey County 238
28 Pierce County 236
29 Hettinger County 230
30 Bowman County 224
31 Wells County 223
32 McHenry County 222
33 Nelson County 217
34 Emmons County 215
34 LaMoure County 215
35 Towner County 208
36 Adams County 204
37 Divide County 174
38 Eddy County 172
39 McIntosh County 169
40 Sheridan County 126
41 Grant County 117
41 Renville County 117
42 Oliver County 116
43 Foster County 113
44 Burke County 112
45 Sargent County 107
46 Steele County 102
47 Griggs County 89
48 Billings County 47
49 Logan County 44
50 Golden Valley County 38
51 Slope County 18