Data / Rankings / Uninsured rate, ages 19 to 34 (US, ACS) / Counties in South Dakota

Counties in South Dakota by uninsured rate, ages 19 to 34 (US, ACS), 2024

Oglala Lakota County had the highest uninsured rate, ages 19 to 34 (US, ACS) of 66 counties in 2024, at 71.5%. Campbell County had the lowest, at 0%. The median was 15.2% and the figure for South Dakota was 16.5%. Source: the U.S. Census Bureau.

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Highest71.5Oglala Lakota County
Lowest0Campbell County
Median15.266 counties
South Dakota16.5History

Map of counties, 2024

Aurora County: 11.9 %Beadle County: 11.6 %Bennett County: 64.7 %Bon Homme County: 9.8 %Brookings County: 7.7 %Brown County: 12 %Brule County: 16.2 %Buffalo County: 70.2 %Butte County: 21.6 %Campbell County: 0 %Charles Mix County: 29.9 %Clark County: 20.9 %Clay County: 15 %Codington County: 11.7 %Corson County: 40.3 %Custer County: 16.3 %Davison County: 11.1 %Day County: 14.9 %Deuel County: 10.4 %Dewey County: 39.7 %Douglas County: 26.6 %Edmunds County: 5.3 %Fall River County: 35.5 %Faulk County: 20.5 %Grant County: 15.5 %Gregory County: 19.2 %Haakon County: 20.3 %Hamlin County: 10.7 %Hand County: 3.7 %Hanson County: 10.8 %Harding County: 11.6 %Hughes County: 19.4 %Hutchinson County: 6.1 %Hyde County: 11.9 %Jackson County: 64.7 %Jerauld County: 9.3 %Jones County: 12.4 %Kingsbury County: 15.3 %Lake County: 9.8 %Lawrence County: 19.2 %Lincoln County: 9.8 %Lyman County: 37.9 %McCook County: 20 %McPherson County: 1.4 %Marshall County: 7.3 %Meade County: 13.6 %Mellette County: 53.3 %Miner County: 5.8 %Minnehaha County: 13.3 %Moody County: 18.4 %Oglala Lakota County: 71.5 %Pennington County: 21.1 %Perkins County: 11.8 %Potter County: 12.5 %Roberts County: 31.9 %Sanborn County: 10.4 %Spink County: 20.8 %Stanley County: 10.3 %Sully County: 29.9 %Todd County: 42.8 %Tripp County: 20.6 %Turner County: 15.5 %Union County: 10.4 %Walworth County: 35 %Yankton County: 10.1 %Ziebach County: 48.7 %
  • Under 9.8
  • 9.8 to 12
  • 12 to 15
  • 15 to 20
  • 20 to 35
  • 35 and over
%, 2024. Source: Invokely calculation with data from U.S. Census Bureau. Boundaries: U.S. Census Bureau cartographic boundary files.

Top 40 counties, 2024

Oglala Lakota County: 71.5 %Oglala Lakota County71.5Buffalo County: 70.2 %Buffalo County70.2Bennett County: 64.7 %Bennett County64.7Jackson County: 64.7 %Jackson County64.7Mellette County: 53.3 %Mellette County53.3Ziebach County: 48.7 %Ziebach County48.7Todd County: 42.8 %Todd County42.8Corson County: 40.3 %Corson County40.3Dewey County: 39.7 %Dewey County39.7Lyman County: 37.9 %Lyman County37.9Fall River County: 35.5 %Fall River County35.5Walworth County: 35 %Walworth County35Roberts County: 31.9 %Roberts County31.9Charles Mix County: 29.9 %Charles Mix County29.9Sully County: 29.9 %Sully County29.9Douglas County: 26.6 %Douglas County26.6Butte County: 21.6 %Butte County21.6Pennington County: 21.1 %Pennington County21.1Clark County: 20.9 %Clark County20.9Spink County: 20.8 %Spink County20.8Tripp County: 20.6 %Tripp County20.6Faulk County: 20.5 %Faulk County20.5Haakon County: 20.3 %Haakon County20.3McCook County: 20 %McCook County20Hughes County: 19.4 %Hughes County19.4Gregory County: 19.2 %Gregory County19.2Lawrence County: 19.2 %Lawrence County19.2Moody County: 18.4 %Moody County18.4Custer County: 16.3 %Custer County16.3Brule County: 16.2 %Brule County16.2Grant County: 15.5 %Grant County15.5Turner County: 15.5 %Turner County15.5Kingsbury County: 15.3 %Kingsbury County15.3Clay County: 15 %Clay County15Day County: 14.9 %Day County14.9Meade County: 13.6 %Meade County13.6Minnehaha County: 13.3 %Minnehaha County13.3Potter County: 12.5 %Potter County12.5Jones County: 12.4 %Jones County12.4Brown County: 12 %Brown County12Oglala Lakota County: 71.5 %Oglala Lakota County71.5Buffalo County: 70.2 %Buffalo County70.2Bennett County: 64.7 %Bennett County64.7Jackson County: 64.7 %Jackson County64.7Mellette County: 53.3 %Mellette County53.3Ziebach County: 48.7 %Ziebach County48.7Todd County: 42.8 %Todd County42.8Corson County: 40.3 %Corson County40.3Dewey County: 39.7 %Dewey County39.7Lyman County: 37.9 %Lyman County37.9Fall River County: 35.5 %Fall River County35.5Walworth County: 35 %Walworth County35Roberts County: 31.9 %Roberts County31.9Charles Mix County: 29.9 %Charles Mix County29.9Sully County: 29.9 %Sully County29.9Douglas County: 26.6 %Douglas County26.6Butte County: 21.6 %Butte County21.6Pennington County: 21.1 %Pennington County21.1Clark County: 20.9 %Clark County20.9Spink County: 20.8 %Spink County20.8Tripp County: 20.6 %Tripp County20.6Faulk County: 20.5 %Faulk County20.5Haakon County: 20.3 %Haakon County20.3McCook County: 20 %McCook County20Hughes County: 19.4 %Hughes County19.4Gregory County: 19.2 %Gregory County19.2Lawrence County: 19.2 %Lawrence County19.2Moody County: 18.4 %Moody County18.4Custer County: 16.3 %Custer County16.3Brule County: 16.2 %Brule County16.2Grant County: 15.5 %Grant County15.5Turner County: 15.5 %Turner County15.5Kingsbury County: 15.3 %Kingsbury County15.3Clay County: 15 %Clay County15Day County: 14.9 %Day County14.9Meade County: 13.6 %Meade County13.6Minnehaha County: 13.3 %Minnehaha County13.3Potter County: 12.5 %Potter County12.5Jones County: 12.4 %Jones County12.4Brown County: 12 %Brown County12
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-12.

Full ranking

RankCounties2024 (%)Change on 2023
1Oglala Lakota County71.5+7.2 pts
2Buffalo County70.2+9.3 pts
3Bennett County64.7+0.6 pts
4Jackson County64.7-1.6 pts
5Mellette County53.3-10.6 pts
6Ziebach County48.7-0.2 pts
7Todd County42.8-7.6 pts
8Corson County40.3-3.8 pts
9Dewey County39.7-2.7 pts
10Lyman County37.9+3.2 pts
11Fall River County35.5+4.9 pts
12Walworth County35+1.1 pts
13Roberts County31.9+0.2 pts
14Charles Mix County29.9-2 pts
14Sully County29.9-0.9 pts
16Douglas County26.6+3.9 pts
17Butte County21.6-3.1 pts
18Pennington County21.1-1.2 pts
19Clark County20.9+2.5 pts
20Spink County20.8+5.3 pts
21Tripp County20.6-5.2 pts
22Faulk County20.5+5.5 pts
23Haakon County20.3-6.9 pts
24McCook County20+0.4 pts
25Hughes County19.4-1 pts
26Gregory County19.2-0.2 pts
27Lawrence County19.2-4.6 pts
28Moody County18.4+1.4 pts
29Custer County16.3+2.7 pts
30Brule County16.2-7.3 pts
31Grant County15.5-5.5 pts
32Turner County15.5+2.3 pts
33Kingsbury County15.3-2.3 pts
34Clay County15+0.1 pts
35Day County14.9+1.4 pts
36Meade County13.6-0.6 pts
37Minnehaha County13.3-0.1 pts
38Potter County12.5-4.7 pts
39Jones County12.4-3 pts
40Brown County12-2.6 pts
41Hyde County11.9-2.6 pts
42Aurora County11.9-0.2 pts
43Perkins County11.8-3.8 pts
44Codington County11.7+0.8 pts
45Beadle County11.6+3.3 pts
46Harding County11.6-2.5 pts
47Davison County11.1-3.7 pts
48Hanson County10.8+1.6 pts
49Hamlin County10.7-3.5 pts
50Sanborn County10.4-3.6 pts
51Union County10.4+1.3 pts
52Deuel County10.4-2.6 pts
53Stanley County10.3-6.1 pts
54Yankton County10.1-0.1 pts
55Lincoln County9.8+0.6 pts
56Bon Homme County9.8+0.3 pts
57Lake County9.8+0.7 pts
58Jerauld County9.3-8.4 pts
59Brookings County7.7+0.7 pts
60Marshall County7.3+1.6 pts
61Hutchinson County6.1+1.9 pts
62Miner County5.8+0.2 pts
63Edmunds County5.3+1.3 pts
64Hand County3.7-0.6 pts
65McPherson County1.4-3.9 pts
66Campbell County0-3.7 pts

Other periods

About this ranking

People aged 19 to 34 without health insurance coverage of any kind, as a percentage of the civilian noninstitutionalized population aged 19 to 34. 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 aged 19 to 34 with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 19 to 34, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-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 aged 19 to 34 with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 19 to 34, calculated with stored inputs (Counties in South Dakota by uninsured rate, ages 19 to 34 (US, ACS), 2024) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b27010.dat

MLA 9

American Community Survey 5-year estimates, table B27010: people aged 19 to 34 with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 19 to 34, calculated with stored inputs, Counties in South Dakota by uninsured rate, ages 19 to 34 (US, ACS), 2024. U.S. Census Bureau, 29 Jan. 2026, https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b27010.dat. Invokely, https://invokely.ai/rankings/uninsured-rate-ages-19-34/south-dakota-counties. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. American Community Survey 5-year estimates, table B27010: people aged 19 to 34 with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 19 to 34, calculated with stored inputs. Counties in South Dakota by uninsured rate, ages 19 to 34 (US, ACS), 2024. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b27010.dat. Also distributed by Invokely, https://invokely.ai/rankings/uninsured-rate-ages-19-34/south-dakota-counties.

Harvard

U.S. Census Bureau (2026) American Community Survey 5-year estimates, table B27010: people aged 19 to 34 with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 19 to 34, calculated with stored inputs, Counties in South Dakota by uninsured rate, ages 19 to 34 (US, ACS), 2024 [Dataset]. Available at: https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b27010.dat, via Invokely: https://invokely.ai/rankings/uninsured-rate-ages-19-34/south-dakota-counties (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_south_dakota_2024,
  author = {{U.S. Census Bureau}},
  title = {{American Community Survey 5-year estimates, table B27010: people aged 19 to 34 with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 19 to 34, calculated with stored inputs: Counties in South Dakota by uninsured rate, ages 19 to 34 (US, ACS), 2024}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b27010.dat},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-ages-19-34/south-dakota-counties. Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table B27010: people aged 19 to 34 with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 19 to 34, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary\_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b27010.dat. Retrieved 2026-10-12.},
}
RIS
TY  - DATA
AU  - U.S. Census Bureau
TI  - American Community Survey 5-year estimates, table B27010: people aged 19 to 34 with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 19 to 34, calculated with stored inputs: Counties in South Dakota by uninsured rate, ages 19 to 34 (US, ACS), 2024
PY  - 2026
DA  - 2026/01/29
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b27010.dat
L2  - https://invokely.ai/rankings/uninsured-rate-ages-19-34/south-dakota-counties
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-ages-19-34/south-dakota-counties.
N1  - Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table B27010: people aged 19 to 34 with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 19 to 34, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b27010.dat. Retrieved 2026-10-12.
ER  -
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Rank Counties in South Dakota by uninsured rate, ages 19 to 34 (US, ACS) using official data, and cite the source.
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Questions

Which county has the highest uninsured rate, ages 19 to 34 (US, ACS)?

Oglala Lakota County, with 71.5% in 2024, according to the U.S. Census Bureau.

Which county has the lowest uninsured rate, ages 19 to 34 (US, ACS)?

Campbell County, with 0% in 2024.

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 aged 19 to 34 with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 19 to 34, calculated with stored inputs. Retrieved 2026-10-12.

Uninsured rate, ages 19 to 34 (US, ACS): other rankings

Counties in South Dakota: more rankings