Data / Rankings / Uninsured rate, under 19 (US model-based estimate) / Counties in South Dakota

Counties in South Dakota by uninsured rate, under 19 (US model-based estimate)

Roberts County had the highest uninsured rate, under 19 (US model-based estimate) of 66 counties in 2020, at 11.8%. Corson County had the lowest, at 3.5%. The median was 7.5% and the figure for South Dakota was 6.4%. Source: the U.S. Census Bureau.

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Highest11.8Roberts County
Lowest3.5Corson County
Median7.566 counties
South Dakota6.4History

Map of counties, 2020

Aurora County: 9.6 %Beadle County: 8.2 %Bennett County: 8 %Bon Homme County: 8.3 %Brookings County: 5.1 %Brown County: 6.4 %Brule County: 10.9 %Buffalo County: 7.2 %Butte County: 7.2 %Campbell County: 5.9 %Charles Mix County: 10.7 %Clark County: 8.2 %Clay County: 6.5 %Codington County: 6.3 %Corson County: 3.5 %Custer County: 9.3 %Davison County: 6 %Day County: 8.6 %Deuel County: 7.5 %Dewey County: 7.5 %Douglas County: 9.5 %Edmunds County: 7.5 %Fall River County: 7 %Faulk County: 4.6 %Grant County: 9 %Gregory County: 9.6 %Haakon County: 7.7 %Hamlin County: 8.9 %Hand County: 8 %Hanson County: 6.5 %Harding County: 10.2 %Hughes County: 7.2 %Hutchinson County: 7.9 %Hyde County: 8.5 %Jackson County: 6.7 %Jerauld County: 4.9 %Jones County: 8.8 %Kingsbury County: 7.6 %Lake County: 6.8 %Lawrence County: 6.6 %Lincoln County: 4.9 %Lyman County: 9.2 %McCook County: 9 %McPherson County: 5.4 %Marshall County: 8.5 %Meade County: 5.9 %Mellette County: 5.4 %Miner County: 8.4 %Minnehaha County: 5.2 %Moody County: 11.4 %Oglala Lakota County: 5.4 %Pennington County: 5.9 %Perkins County: 4.9 %Potter County: 9 %Roberts County: 11.8 %Sanborn County: 7.7 %Spink County: 7.1 %Stanley County: 6.4 %Sully County: 6.9 %Todd County: 3.9 %Tripp County: 7.4 %Turner County: 7.7 %Union County: 6.7 %Walworth County: 7.7 %Yankton County: 7.9 %Ziebach County: 4.8 %
  • Under 5.4
  • 5.4 to 6.7
  • 6.7 to 7.5
  • 7.5 to 8.1
  • 8.1 to 9
  • 9 and over
%, 2020. Source: U.S. Census Bureau, Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 19, all races, both sexes, all income levels, states and counties. Boundaries: U.S. Census Bureau cartographic boundary files.

Top 40 counties, 2020

Roberts County: 11.8 %Roberts County11.8Moody County: 11.4 %Moody County11.4Brule County: 10.9 %Brule County10.9Charles Mix County: 10.7 %Charles Mix County10.7Harding County: 10.2 %Harding County10.2Aurora County: 9.6 %Aurora County9.6Gregory County: 9.6 %Gregory County9.6Douglas County: 9.5 %Douglas County9.5Custer County: 9.3 %Custer County9.3Lyman County: 9.2 %Lyman County9.2Grant County: 9 %Grant County9McCook County: 9 %McCook County9Potter County: 9 %Potter County9Hamlin County: 8.9 %Hamlin County8.9Jones County: 8.8 %Jones County8.8Day County: 8.6 %Day County8.6Hyde County: 8.5 %Hyde County8.5Marshall County: 8.5 %Marshall County8.5Miner County: 8.4 %Miner County8.4Bon Homme County: 8.3 %Bon Homme County8.3Beadle County: 8.2 %Beadle County8.2Clark County: 8.2 %Clark County8.2Bennett County: 8 %Bennett County8Hand County: 8 %Hand County8Hutchinson County: 7.9 %Hutchinson County7.9Yankton County: 7.9 %Yankton County7.9Haakon County: 7.7 %Haakon County7.7Sanborn County: 7.7 %Sanborn County7.7Turner County: 7.7 %Turner County7.7Walworth County: 7.7 %Walworth County7.7Kingsbury County: 7.6 %Kingsbury County7.6Deuel County: 7.5 %Deuel County7.5Dewey County: 7.5 %Dewey County7.5Edmunds County: 7.5 %Edmunds County7.5Tripp County: 7.4 %Tripp County7.4Buffalo County: 7.2 %Buffalo County7.2Butte County: 7.2 %Butte County7.2Hughes County: 7.2 %Hughes County7.2Spink County: 7.1 %Spink County7.1Fall River County: 7 %Fall River County7Roberts County: 11.8 %Roberts County11.8Moody County: 11.4 %Moody County11.4Brule County: 10.9 %Brule County10.9Charles Mix County: 10.7 %Charles Mix County10.7Harding County: 10.2 %Harding County10.2Aurora County: 9.6 %Aurora County9.6Gregory County: 9.6 %Gregory County9.6Douglas County: 9.5 %Douglas County9.5Custer County: 9.3 %Custer County9.3Lyman County: 9.2 %Lyman County9.2Grant County: 9 %Grant County9McCook County: 9 %McCook County9Potter County: 9 %Potter County9Hamlin County: 8.9 %Hamlin County8.9Jones County: 8.8 %Jones County8.8Day County: 8.6 %Day County8.6Hyde County: 8.5 %Hyde County8.5Marshall County: 8.5 %Marshall County8.5Miner County: 8.4 %Miner County8.4Bon Homme County: 8.3 %Bon Homme County8.3Beadle County: 8.2 %Beadle County8.2Clark County: 8.2 %Clark County8.2Bennett County: 8 %Bennett County8Hand County: 8 %Hand County8Hutchinson County: 7.9 %Hutchinson County7.9Yankton County: 7.9 %Yankton County7.9Haakon County: 7.7 %Haakon County7.7Sanborn County: 7.7 %Sanborn County7.7Turner County: 7.7 %Turner County7.7Walworth County: 7.7 %Walworth County7.7Kingsbury County: 7.6 %Kingsbury County7.6Deuel County: 7.5 %Deuel County7.5Dewey County: 7.5 %Dewey County7.5Edmunds County: 7.5 %Edmunds County7.5Tripp County: 7.4 %Tripp County7.4Buffalo County: 7.2 %Buffalo County7.2Butte County: 7.2 %Butte County7.2Hughes County: 7.2 %Hughes County7.2Spink County: 7.1 %Spink County7.1Fall River County: 7 %Fall River County7
%. Source: U.S. Census Bureau, Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 19, all races, both sexes, all income levels, states and counties. Retrieved 2026-10-12.

Full ranking

RankCounties2020 (%)Change on 2019
1Roberts County11.8-1.6 pts
2Moody County11.4+0.1 pts
3Brule County10.9-2.8 pts
4Charles Mix County10.7-3 pts
5Harding County10.2-5 pts
6Aurora County9.6-4.6 pts
6Gregory County9.6-2.6 pts
8Douglas County9.5-4.1 pts
9Custer County9.3-0.2 pts
10Lyman County9.2-1.4 pts
11Grant County9+0.8 pts
11McCook County9+0.1 pts
11Potter County9-0.5 pts
14Hamlin County8.9-1.2 pts
15Jones County8.8-5 pts
16Day County8.6-3.5 pts
17Hyde County8.5-7.2 pts
17Marshall County8.5-7.1 pts
19Miner County8.4-1.4 pts
20Bon Homme County8.3-2.4 pts
21Beadle County8.2-2.6 pts
21Clark County8.2-2.7 pts
23Bennett County8-2 pts
23Hand County8-2.3 pts
25Hutchinson County7.9-2.3 pts
25Yankton County7.9+0.7 pts
27Haakon County7.7-5.5 pts
27Sanborn County7.7-2.1 pts
27Turner County7.7-0.4 pts
27Walworth County7.7-1.4 pts
31Kingsbury County7.6-1.4 pts
32Deuel County7.5-3.2 pts
32Dewey County7.5-2.7 pts
32Edmunds County7.5-2.4 pts
35Tripp County7.4-4 pts
36Buffalo County7.20 pts
36Butte County7.2-2.5 pts
36Hughes County7.2-0.1 pts
39Spink County7.1-3.1 pts
40Fall River County7-1.4 pts
41Sully County6.9-1.6 pts
42Lake County6.8+1 pts
43Jackson County6.7-5.4 pts
43Union County6.7+0.1 pts
45Lawrence County6.6-0.6 pts
46Clay County6.5-0.4 pts
46Hanson County6.5-1.4 pts
48Brown County6.4-1 pts
48Stanley County6.4-1.7 pts
50Codington County6.3+0.2 pts
51Davison County6-0.3 pts
52Campbell County5.9-4.8 pts
52Meade County5.9-0.1 pts
52Pennington County5.9-1.2 pts
55McPherson County5.4-5.7 pts
55Mellette County5.4-4.6 pts
55Oglala Lakota County5.4-1 pts
58Minnehaha County5.2-1.7 pts
59Brookings County5.1-1.3 pts
60Jerauld County4.9-7.3 pts
60Lincoln County4.9+0.6 pts
60Perkins County4.9-9.7 pts
63Ziebach County4.8-3.5 pts
64Faulk County4.6-7.5 pts
65Todd County3.9-4 pts
66Corson County3.5-6.5 pts

Other periods

About this ranking

People under 19 without health insurance coverage of any kind, as a percentage of all people under 19. United States: Census Bureau Small Area Health Insurance Estimates (SAHIE) for states and counties, all races, both sexes and all income levels.

A model-based single-year estimate that combines the American Community Survey with administrative records and population estimates, so every county gets a figure. Covers states and counties only, because the SAHIE dataset files have no national row. The Census Bureau advises comparing years from 2008 on only; 2013 is the updated release. Under 19 matches the age limit for children in Medicaid and the Children's Health Insurance Program (CHIP).

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. Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 19, all races, both sexes, all income levels, states and counties. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2020-csv.zip. 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). Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 19, all races, both sexes, all income levels, states and counties (Counties in South Dakota by uninsured rate, under 19 (US model-based estimate), 2020) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2020-csv.zip

MLA 9

Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 19, all races, both sexes, all income levels, states and counties, Counties in South Dakota by uninsured rate, under 19 (US model-based estimate), 2020. U.S. Census Bureau, 6 Aug. 2026, https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2020-csv.zip. Invokely, https://invokely.ai/rankings/uninsured-rate-under-19/south-dakota-counties?period=2020. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 19, all races, both sexes, all income levels, states and counties. Counties in South Dakota by uninsured rate, under 19 (US model-based estimate), 2020. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2020-csv.zip. Also distributed by Invokely, https://invokely.ai/rankings/uninsured-rate-under-19/south-dakota-counties?period=2020.

Harvard

U.S. Census Bureau (2026) Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 19, all races, both sexes, all income levels, states and counties, Counties in South Dakota by uninsured rate, under 19 (US model-based estimate), 2020 [Dataset]. Available at: https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2020-csv.zip, via Invokely: https://invokely.ai/rankings/uninsured-rate-under-19/south-dakota-counties?period=2020 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_south_dakota_2020,
  author = {{U.S. Census Bureau}},
  title = {{Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 19, all races, both sexes, all income levels, states and counties: Counties in South Dakota by uninsured rate, under 19 (US model-based estimate), 2020}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2020-csv.zip},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-under-19/south-dakota-counties?period=2020. Publisher attribution: U.S. Census Bureau. Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 19, all races, both sexes, all income levels, states and counties. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2020-csv.zip. Retrieved 2026-10-12.},
}
RIS
TY  - DATA
AU  - U.S. Census Bureau
TI  - Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 19, all races, both sexes, all income levels, states and counties: Counties in South Dakota by uninsured rate, under 19 (US model-based estimate), 2020
PY  - 2026
DA  - 2026/08/06
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2020-csv.zip
L2  - https://invokely.ai/rankings/uninsured-rate-under-19/south-dakota-counties?period=2020
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-under-19/south-dakota-counties?period=2020.
N1  - Publisher attribution: U.S. Census Bureau. Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 19, all races, both sexes, all income levels, states and counties. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2020-csv.zip. Retrieved 2026-10-12.
ER  -
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Questions

Which county has the highest uninsured rate, under 19 (US model-based estimate)?

Roberts County, with 11.8% in 2020, according to the U.S. Census Bureau.

Which county has the lowest uninsured rate, under 19 (US model-based estimate)?

Corson County, with 3.5% in 2020.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 19, all races, both sexes, all income levels, states and counties. Retrieved 2026-10-12.

Uninsured rate, under 19 (US model-based estimate): other rankings

Counties in South Dakota: more rankings