Counties in North Dakota by uninsured rate, all ages (US)

Sioux County had the highest uninsured rate, all ages (US) of 53 counties in 2022, at 28%. Slope County had the lowest, at 1.9%. The median was 6.2% and the figure for North Dakota was 7.2%. Source: the U.S. Census Bureau.

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Highest28Sioux County
Lowest1.9Slope County
Median6.253 counties
North Dakota7.2History

Map of counties, 2022

Adams County: 10.2 %Barnes County: 6.2 %Benson County: 8 %Billings County: 5.5 %Bottineau County: 8 %Bowman County: 10.3 %Burke County: 3.8 %Burleigh County: 4.7 %Cass County: 5.9 %Cavalier County: 5.9 %Dickey County: 8.6 %Divide County: 9.5 %Dunn County: 18.4 %Eddy County: 6 %Emmons County: 6.9 %Foster County: 3.8 %Golden Valley County: 2.1 %Grand Forks County: 5.7 %Grant County: 4.8 %Griggs County: 3.7 %Hettinger County: 8.9 %Kidder County: 4.7 %LaMoure County: 6.2 %Logan County: 3 %McHenry County: 6.2 %McIntosh County: 7.1 %McKenzie County: 15.7 %McLean County: 4.8 %Mercer County: 11.7 %Morton County: 5.5 %Mountrail County: 17.2 %Nelson County: 5.9 %Oliver County: 4.4 %Pembina County: 6.9 %Pierce County: 7.3 %Ramsey County: 10.4 %Ransom County: 5.1 %Renville County: 4.4 %Richland County: 5.9 %Rolette County: 26.4 %Sargent County: 3.7 %Sheridan County: 6.5 %Sioux County: 28 %Slope County: 1.9 %Stark County: 7.9 %Steele County: 5.2 %Stutsman County: 7.3 %Towner County: 9.5 %Traill County: 5.4 %Walsh County: 7.5 %Ward County: 6.1 %Wells County: 5.4 %Williams County: 12.4 %
  • Under 4.6
  • 4.6 to 5.5
  • 5.5 to 6.2
  • 6.2 to 7.4
  • 7.4 to 10
  • 10 and over
%, 2022. Source: Invokely calculation with data from U.S. Census Bureau. Boundaries: U.S. Census Bureau cartographic boundary files.

All counties, 2022

Sioux County: 28 %Sioux County28Rolette County: 26.4 %Rolette County26.4Dunn County: 18.4 %Dunn County18.4Mountrail County: 17.2 %Mountrail County17.2McKenzie County: 15.7 %McKenzie County15.7Williams County: 12.4 %Williams County12.4Mercer County: 11.7 %Mercer County11.7Ramsey County: 10.4 %Ramsey County10.4Bowman County: 10.3 %Bowman County10.3Adams County: 10.2 %Adams County10.2Towner County: 9.5 %Towner County9.5Divide County: 9.5 %Divide County9.5Hettinger County: 8.9 %Hettinger County8.9Dickey County: 8.6 %Dickey County8.6Benson County: 8 %Benson County8Bottineau County: 8 %Bottineau County8Stark County: 7.9 %Stark County7.9Walsh County: 7.5 %Walsh County7.5Stutsman County: 7.3 %Stutsman County7.3Pierce County: 7.3 %Pierce County7.3McIntosh County: 7.1 %McIntosh County7.1Pembina County: 6.9 %Pembina County6.9Emmons County: 6.9 %Emmons County6.9Sheridan County: 6.5 %Sheridan County6.5Barnes County: 6.2 %Barnes County6.2McHenry County: 6.2 %McHenry County6.2LaMoure County: 6.2 %LaMoure County6.2Ward County: 6.1 %Ward County6.1Eddy County: 6 %Eddy County6Richland County: 5.9 %Richland County5.9Nelson County: 5.9 %Nelson County5.9Cass County: 5.9 %Cass County5.9Cavalier County: 5.9 %Cavalier County5.9Grand Forks County: 5.7 %Grand Forks County5.7Billings County: 5.5 %Billings County5.5Morton County: 5.5 %Morton County5.5Wells County: 5.4 %Wells County5.4Traill County: 5.4 %Traill County5.4Steele County: 5.2 %Steele County5.2Ransom County: 5.1 %Ransom County5.1McLean County: 4.8 %McLean County4.8Grant County: 4.8 %Grant County4.8Burleigh County: 4.7 %Burleigh County4.7Kidder County: 4.7 %Kidder County4.7Oliver County: 4.4 %Oliver County4.4Renville County: 4.4 %Renville County4.4Burke County: 3.8 %Burke County3.8Foster County: 3.8 %Foster County3.8Griggs County: 3.7 %Griggs County3.7Sargent County: 3.7 %Sargent County3.7Logan County: 3 %Logan County3Golden Valley County: 2.1 %Golden Valley County2.1Slope County: 1.9 %Slope County1.9Sioux County: 28 %Sioux County28Rolette County: 26.4 %Rolette County26.4Dunn County: 18.4 %Dunn County18.4Mountrail County: 17.2 %Mountrail County17.2McKenzie County: 15.7 %McKenzie County15.7Williams County: 12.4 %Williams County12.4Mercer County: 11.7 %Mercer County11.7Ramsey County: 10.4 %Ramsey County10.4Bowman County: 10.3 %Bowman County10.3Adams County: 10.2 %Adams County10.2Towner County: 9.5 %Towner County9.5Divide County: 9.5 %Divide County9.5Hettinger County: 8.9 %Hettinger County8.9Dickey County: 8.6 %Dickey County8.6Benson County: 8 %Benson County8Bottineau County: 8 %Bottineau County8Stark County: 7.9 %Stark County7.9Walsh County: 7.5 %Walsh County7.5Stutsman County: 7.3 %Stutsman County7.3Pierce County: 7.3 %Pierce County7.3McIntosh County: 7.1 %McIntosh County7.1Pembina County: 6.9 %Pembina County6.9Emmons County: 6.9 %Emmons County6.9Sheridan County: 6.5 %Sheridan County6.5Barnes County: 6.2 %Barnes County6.2McHenry County: 6.2 %McHenry County6.2LaMoure County: 6.2 %LaMoure County6.2Ward County: 6.1 %Ward County6.1Eddy County: 6 %Eddy County6Richland County: 5.9 %Richland County5.9Nelson County: 5.9 %Nelson County5.9Cass County: 5.9 %Cass County5.9Cavalier County: 5.9 %Cavalier County5.9Grand Forks County: 5.7 %Grand Forks County5.7Billings County: 5.5 %Billings County5.5Morton County: 5.5 %Morton County5.5Wells County: 5.4 %Wells County5.4Traill County: 5.4 %Traill County5.4Steele County: 5.2 %Steele County5.2Ransom County: 5.1 %Ransom County5.1McLean County: 4.8 %McLean County4.8Grant County: 4.8 %Grant County4.8Burleigh County: 4.7 %Burleigh County4.7Kidder County: 4.7 %Kidder County4.7Oliver County: 4.4 %Oliver County4.4Renville County: 4.4 %Renville County4.4Burke County: 3.8 %Burke County3.8Foster County: 3.8 %Foster County3.8Griggs County: 3.7 %Griggs County3.7Sargent County: 3.7 %Sargent County3.7Logan County: 3 %Logan County3Golden Valley County: 2.1 %Golden Valley County2.1Slope County: 1.9 %Slope County1.9
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-12.

Full ranking

RankCounties2022 (%)Change on 2021
1Sioux County28-5.2 pts
2Rolette County26.4-1.4 pts
3Dunn County18.4-1.2 pts
4Mountrail County17.2+0.2 pts
5McKenzie County15.7-2.2 pts
6Williams County12.4-0.9 pts
7Mercer County11.7-1 pts
8Ramsey County10.4+1.5 pts
9Bowman County10.3+2.8 pts
10Adams County10.2+0.8 pts
11Towner County9.5-0.1 pts
12Divide County9.5+1.3 pts
13Hettinger County8.9-0.9 pts
14Dickey County8.6+3.8 pts
15Benson County8+0.4 pts
16Bottineau County8+1.5 pts
17Stark County7.9-1.1 pts
18Walsh County7.5+0.7 pts
19Stutsman County7.3-0.8 pts
20Pierce County7.3+1.2 pts
21McIntosh County7.1+0.2 pts
22Pembina County6.9+0.1 pts
23Emmons County6.9+0.3 pts
24Sheridan County6.5-3 pts
25Barnes County6.2+0.4 pts
26McHenry County6.2+2 pts
27LaMoure County6.2+0.9 pts
28Ward County6.1-0.5 pts
29Eddy County6-1.5 pts
30Richland County5.9+0.2 pts
31Nelson County5.9-1.4 pts
32Cass County5.9-0.1 pts
33Cavalier County5.9-1.5 pts
34Grand Forks County5.7-0.7 pts
35Billings County5.5-0.1 pts
36Morton County5.5+0.1 pts
37Wells County5.4-0.3 pts
38Traill County5.4-1 pts
39Steele County5.2-0.2 pts
40Ransom County5.1+0.5 pts
41McLean County4.8+0.1 pts
42Grant County4.8-0.3 pts
43Burleigh County4.7-0.4 pts
44Kidder County4.7-7.2 pts
45Oliver County4.4-1.9 pts
46Renville County4.4-0.8 pts
47Burke County3.8-1.4 pts
48Foster County3.8+0.3 pts
49Griggs County3.7-0.4 pts
50Sargent County3.7+0.9 pts
51Logan County3+0.5 pts
52Golden Valley County2.1-0.1 pts
53Slope County1.9-0.4 pts

Other periods

About this ranking

People without health insurance coverage of any kind, as a percentage of the civilian noninstitutionalized population. United States: American Community Survey five-year estimate, where the period shown is the last year of the five-year span.

Coverage is what people reported at the interview, so the five-year figure averages five years of answers. People whose only coverage is the Indian Health Service count as uninsured. Active-duty military and people living in institutions are outside the universe. For single-year model-based county figures under 65, see uninsured_rate_under_65, uninsured_rate_18_64 and uninsured_rate_under_19 (SAHIE), a different source.

Every value in the ranking comes from the same publisher and the same period, so the counties are compared on one definition. Equal values share a rank.

How to cite

U.S. Census Bureau. American Community Survey 5-year estimates, table B27010: people with no health insurance coverage as a percentage of the civilian noninstitutionalized population, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary_file/2022/table-based-SF/data/5YRData/acsdt5y2022-b27010.dat. Retrieved 2026-10-12.

Citation styles

The publisher is the author. Invokely is named only as the place the figures were read, where a style asks for it.

APA 7

U.S. Census Bureau. (2026). American Community Survey 5-year estimates, table B27010: people with no health insurance coverage as a percentage of the civilian noninstitutionalized population, calculated with stored inputs (Counties in North Dakota by uninsured rate, all ages (US), 2022) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/acs/summary_file/2022/table-based-SF/data/5YRData/acsdt5y2022-b27010.dat

MLA 9

American Community Survey 5-year estimates, table B27010: people with no health insurance coverage as a percentage of the civilian noninstitutionalized population, calculated with stored inputs, Counties in North Dakota by uninsured rate, all ages (US), 2022. U.S. Census Bureau, 29 Jan. 2026, https://www2.census.gov/programs-surveys/acs/summary_file/2022/table-based-SF/data/5YRData/acsdt5y2022-b27010.dat. Invokely, https://invokely.ai/rankings/uninsured-rate/north-dakota-counties?period=2022. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. American Community Survey 5-year estimates, table B27010: people with no health insurance coverage as a percentage of the civilian noninstitutionalized population, calculated with stored inputs. Counties in North Dakota by uninsured rate, all ages (US), 2022. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/acs/summary_file/2022/table-based-SF/data/5YRData/acsdt5y2022-b27010.dat. Also distributed by Invokely, https://invokely.ai/rankings/uninsured-rate/north-dakota-counties?period=2022.

Harvard

U.S. Census Bureau (2026) American Community Survey 5-year estimates, table B27010: people with no health insurance coverage as a percentage of the civilian noninstitutionalized population, calculated with stored inputs, Counties in North Dakota by uninsured rate, all ages (US), 2022 [Dataset]. Available at: https://www2.census.gov/programs-surveys/acs/summary_file/2022/table-based-SF/data/5YRData/acsdt5y2022-b27010.dat, via Invokely: https://invokely.ai/rankings/uninsured-rate/north-dakota-counties?period=2022 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_north_dakota_2022,
  author = {{U.S. Census Bureau}},
  title = {{American Community Survey 5-year estimates, table B27010: people with no health insurance coverage as a percentage of the civilian noninstitutionalized population, calculated with stored inputs: Counties in North Dakota by uninsured rate, all ages (US), 2022}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/acs/summary_file/2022/table-based-SF/data/5YRData/acsdt5y2022-b27010.dat},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate/north-dakota-counties?period=2022. Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table B27010: people with no health insurance coverage as a percentage of the civilian noninstitutionalized population, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary\_file/2022/table-based-SF/data/5YRData/acsdt5y2022-b27010.dat. Retrieved 2026-10-12.},
}
RIS
TY  - DATA
AU  - U.S. Census Bureau
TI  - American Community Survey 5-year estimates, table B27010: people with no health insurance coverage as a percentage of the civilian noninstitutionalized population, calculated with stored inputs: Counties in North Dakota by uninsured rate, all ages (US), 2022
PY  - 2026
DA  - 2026/01/29
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www2.census.gov/programs-surveys/acs/summary_file/2022/table-based-SF/data/5YRData/acsdt5y2022-b27010.dat
L2  - https://invokely.ai/rankings/uninsured-rate/north-dakota-counties?period=2022
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate/north-dakota-counties?period=2022.
N1  - Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table B27010: people with no health insurance coverage as a percentage of the civilian noninstitutionalized population, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary_file/2022/table-based-SF/data/5YRData/acsdt5y2022-b27010.dat. Retrieved 2026-10-12.
ER  - 
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Questions

Which county has the highest uninsured rate, all ages (US)?

Sioux County, with 28% in 2022, according to the U.S. Census Bureau.

Which county has the lowest uninsured rate, all ages (US)?

Slope County, with 1.9% in 2022.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, American Community Survey 5-year estimates, table B27010: people with no health insurance coverage as a percentage of the civilian noninstitutionalized population, calculated with stored inputs. Retrieved 2026-10-12.

Uninsured rate, all ages (US): other rankings

Counties in North Dakota: more rankings