Data / Rankings / High school graduate or higher, population 25 and over / Counties in South Dakota

Counties in South Dakota by high school graduate or higher, population 25 and over

Hughes County had the highest high school graduate or higher, population 25 and over of 66 counties in 2022, at 96.7%. Oglala Lakota County had the lowest, at 74%. The median was 91.6% and the figure for South Dakota was 92.7%. Source: the U.S. Census Bureau.

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Highest96.7Hughes County
Lowest74Oglala Lakota County
Median91.666 counties
South Dakota92.7History

Map of counties, 2022

Aurora County: 91.3 %Beadle County: 85.1 %Bennett County: 88.9 %Bon Homme County: 88.9 %Brookings County: 96.2 %Brown County: 93.7 %Brule County: 85.8 %Buffalo County: 82.4 %Butte County: 89.4 %Campbell County: 87.2 %Charles Mix County: 89.5 %Clark County: 91.1 %Clay County: 93.4 %Codington County: 91.8 %Corson County: 86.2 %Custer County: 93.7 %Davison County: 90.2 %Day County: 91.5 %Deuel County: 92.8 %Dewey County: 86.6 %Douglas County: 91.3 %Edmunds County: 92.6 %Fall River County: 91.5 %Faulk County: 92.2 %Grant County: 91.7 %Gregory County: 90.4 %Haakon County: 96.4 %Hamlin County: 92.4 %Hand County: 93.1 %Hanson County: 94.7 %Harding County: 94.1 %Hughes County: 96.7 %Hutchinson County: 92 %Hyde County: 90.8 %Jackson County: 87.1 %Jerauld County: 91.7 %Jones County: 94.9 %Kingsbury County: 90.5 %Lake County: 93.3 %Lawrence County: 95 %Lincoln County: 96 %Lyman County: 91.5 %McCook County: 92.6 %McPherson County: 81.1 %Marshall County: 90.3 %Meade County: 95.8 %Mellette County: 82 %Miner County: 90.5 %Minnehaha County: 93.1 %Moody County: 94.5 %Oglala Lakota County: 74 %Pennington County: 94.2 %Perkins County: 92.2 %Potter County: 96.6 %Roberts County: 91.1 %Sanborn County: 91.9 %Spink County: 90.7 %Stanley County: 94.3 %Sully County: 96.2 %Todd County: 79.8 %Tripp County: 89.8 %Turner County: 91.4 %Union County: 94.5 %Walworth County: 91.2 %Yankton County: 93.1 %Ziebach County: 89.6 %
  • Under 89
  • 89 to 91
  • 91 to 92
  • 92 to 93
  • 93 to 94
  • 94 and over
%, 2022. Source: Invokely calculation with data from U.S. Census Bureau. Boundaries: U.S. Census Bureau cartographic boundary files.

Top 40 counties, 2022

Hughes County: 96.7 %Hughes County96.7Potter County: 96.6 %Potter County96.6Haakon County: 96.4 %Haakon County96.4Sully County: 96.2 %Sully County96.2Brookings County: 96.2 %Brookings County96.2Lincoln County: 96 %Lincoln County96Meade County: 95.8 %Meade County95.8Lawrence County: 95 %Lawrence County95Jones County: 94.9 %Jones County94.9Hanson County: 94.7 %Hanson County94.7Moody County: 94.5 %Moody County94.5Union County: 94.5 %Union County94.5Stanley County: 94.3 %Stanley County94.3Pennington County: 94.2 %Pennington County94.2Harding County: 94.1 %Harding County94.1Brown County: 93.7 %Brown County93.7Custer County: 93.7 %Custer County93.7Clay County: 93.4 %Clay County93.4Lake County: 93.3 %Lake County93.3Minnehaha County: 93.1 %Minnehaha County93.1Hand County: 93.1 %Hand County93.1Yankton County: 93.1 %Yankton County93.1Deuel County: 92.8 %Deuel County92.8Edmunds County: 92.6 %Edmunds County92.6McCook County: 92.6 %McCook County92.6Hamlin County: 92.4 %Hamlin County92.4Perkins County: 92.2 %Perkins County92.2Faulk County: 92.2 %Faulk County92.2Hutchinson County: 92 %Hutchinson County92Sanborn County: 91.9 %Sanborn County91.9Codington County: 91.8 %Codington County91.8Jerauld County: 91.7 %Jerauld County91.7Grant County: 91.7 %Grant County91.7Fall River County: 91.5 %Fall River County91.5Day County: 91.5 %Day County91.5Lyman County: 91.5 %Lyman County91.5Turner County: 91.4 %Turner County91.4Aurora County: 91.3 %Aurora County91.3Douglas County: 91.3 %Douglas County91.3Walworth County: 91.2 %Walworth County91.2Hughes County: 96.7 %Hughes County96.7Potter County: 96.6 %Potter County96.6Haakon County: 96.4 %Haakon County96.4Sully County: 96.2 %Sully County96.2Brookings County: 96.2 %Brookings County96.2Lincoln County: 96 %Lincoln County96Meade County: 95.8 %Meade County95.8Lawrence County: 95 %Lawrence County95Jones County: 94.9 %Jones County94.9Hanson County: 94.7 %Hanson County94.7Moody County: 94.5 %Moody County94.5Union County: 94.5 %Union County94.5Stanley County: 94.3 %Stanley County94.3Pennington County: 94.2 %Pennington County94.2Harding County: 94.1 %Harding County94.1Brown County: 93.7 %Brown County93.7Custer County: 93.7 %Custer County93.7Clay County: 93.4 %Clay County93.4Lake County: 93.3 %Lake County93.3Minnehaha County: 93.1 %Minnehaha County93.1Hand County: 93.1 %Hand County93.1Yankton County: 93.1 %Yankton County93.1Deuel County: 92.8 %Deuel County92.8Edmunds County: 92.6 %Edmunds County92.6McCook County: 92.6 %McCook County92.6Hamlin County: 92.4 %Hamlin County92.4Perkins County: 92.2 %Perkins County92.2Faulk County: 92.2 %Faulk County92.2Hutchinson County: 92 %Hutchinson County92Sanborn County: 91.9 %Sanborn County91.9Codington County: 91.8 %Codington County91.8Jerauld County: 91.7 %Jerauld County91.7Grant County: 91.7 %Grant County91.7Fall River County: 91.5 %Fall River County91.5Day County: 91.5 %Day County91.5Lyman County: 91.5 %Lyman County91.5Turner County: 91.4 %Turner County91.4Aurora County: 91.3 %Aurora County91.3Douglas County: 91.3 %Douglas County91.3Walworth County: 91.2 %Walworth County91.2
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-12.

Full ranking

RankCounties2022 (%)Change on 2021
1Hughes County96.7+0.4 pts
2Potter County96.6+2.6 pts
3Haakon County96.4+0.6 pts
4Sully County96.2-0.4 pts
5Brookings County96.2-0 pts
6Lincoln County96+0.2 pts
7Meade County95.8+0.3 pts
8Lawrence County95+0.6 pts
9Jones County94.9+0.6 pts
10Hanson County94.7-0.5 pts
11Moody County94.5+0.4 pts
12Union County94.50 pts
13Stanley County94.3+0.6 pts
14Pennington County94.2-0.3 pts
15Harding County94.1-0.7 pts
16Brown County93.7+0.5 pts
17Custer County93.7+0.7 pts
18Clay County93.4-1.5 pts
19Lake County93.3+2.1 pts
20Minnehaha County93.1-0.1 pts
21Hand County93.1+0.2 pts
21Yankton County93.1+1.6 pts
23Deuel County92.8+1.3 pts
24Edmunds County92.6-0 pts
25McCook County92.6+1.3 pts
26Hamlin County92.4+0.2 pts
27Perkins County92.2+0.4 pts
28Faulk County92.2+0.6 pts
29Hutchinson County92+1.5 pts
30Sanborn County91.9+0.2 pts
31Codington County91.8+0.3 pts
32Jerauld County91.7-0.3 pts
33Grant County91.7-0.3 pts
34Fall River County91.5-1.9 pts
35Day County91.5-0.4 pts
36Lyman County91.5+0.3 pts
37Turner County91.4-0.2 pts
38Aurora County91.3+1.3 pts
39Douglas County91.3+1.2 pts
40Walworth County91.2+1.2 pts
41Roberts County91.1+1.3 pts
42Clark County91.1-2.7 pts
43Hyde County90.8-0.5 pts
44Spink County90.7+0.4 pts
45Miner County90.5+1.4 pts
46Kingsbury County90.5-1.6 pts
47Gregory County90.4-0 pts
48Marshall County90.3-1 pts
49Davison County90.2+0.4 pts
50Tripp County89.8+1.8 pts
51Ziebach County89.6+0.4 pts
52Charles Mix County89.5+1.3 pts
53Butte County89.4-1.9 pts
54Bon Homme County88.9+0.3 pts
55Bennett County88.9+0.6 pts
56Campbell County87.2-0.1 pts
57Jackson County87.1+0.8 pts
58Dewey County86.6+3.2 pts
59Corson County86.2+0.2 pts
60Brule County85.8-2.2 pts
61Beadle County85.1-0.7 pts
62Buffalo County82.4+1.3 pts
63Mellette County82+0.9 pts
64McPherson County81.1-5 pts
65Todd County79.8+1.1 pts
66Oglala Lakota County74+0.7 pts

Other periods

About this ranking

People aged 25 and over who hold a regular high school diploma, a GED or alternative credential, or any higher level of education, as a percentage of all people aged 25 and over. United States: American Community Survey five-year estimate, where the period shown is the last year of the five-year span.

Measures the adult population, not students: it is not the high school graduation rate of a class. Not comparable with the EU share below upper secondary education, which covers ages 25 to 64.

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 B15003: population 25 years and over with a high school diploma, GED or higher as a percentage of the population 25 years and over, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary_file/2022/table-based-SF/data/5YRData/acsdt5y2022-b15003.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 B15003: population 25 years and over with a high school diploma, GED or higher as a percentage of the population 25 years and over, calculated with stored inputs (Counties in South Dakota by high school graduate or higher, population 25 and over, 2022) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/acs/summary_file/2022/table-based-SF/data/5YRData/acsdt5y2022-b15003.dat

MLA 9

American Community Survey 5-year estimates, table B15003: population 25 years and over with a high school diploma, GED or higher as a percentage of the population 25 years and over, calculated with stored inputs, Counties in South Dakota by high school graduate or higher, population 25 and over, 2022. U.S. Census Bureau, 29 Jan. 2026, https://www2.census.gov/programs-surveys/acs/summary_file/2022/table-based-SF/data/5YRData/acsdt5y2022-b15003.dat. Invokely, https://invokely.ai/rankings/high-school-graduate-or-higher/south-dakota-counties?period=2022. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. American Community Survey 5-year estimates, table B15003: population 25 years and over with a high school diploma, GED or higher as a percentage of the population 25 years and over, calculated with stored inputs. Counties in South Dakota by high school graduate or higher, population 25 and over, 2022. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/acs/summary_file/2022/table-based-SF/data/5YRData/acsdt5y2022-b15003.dat. Also distributed by Invokely, https://invokely.ai/rankings/high-school-graduate-or-higher/south-dakota-counties?period=2022.

Harvard

U.S. Census Bureau (2026) American Community Survey 5-year estimates, table B15003: population 25 years and over with a high school diploma, GED or higher as a percentage of the population 25 years and over, calculated with stored inputs, Counties in South Dakota by high school graduate or higher, population 25 and over, 2022 [Dataset]. Available at: https://www2.census.gov/programs-surveys/acs/summary_file/2022/table-based-SF/data/5YRData/acsdt5y2022-b15003.dat, via Invokely: https://invokely.ai/rankings/high-school-graduate-or-higher/south-dakota-counties?period=2022 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_south_dakota_2022,
  author = {{U.S. Census Bureau}},
  title = {{American Community Survey 5-year estimates, table B15003: population 25 years and over with a high school diploma, GED or higher as a percentage of the population 25 years and over, calculated with stored inputs: Counties in South Dakota by high school graduate or higher, population 25 and over, 2022}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/acs/summary_file/2022/table-based-SF/data/5YRData/acsdt5y2022-b15003.dat},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/high-school-graduate-or-higher/south-dakota-counties?period=2022. Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table B15003: population 25 years and over with a high school diploma, GED or higher as a percentage of the population 25 years and over, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary\_file/2022/table-based-SF/data/5YRData/acsdt5y2022-b15003.dat. Retrieved 2026-10-12.},
}
RIS
TY  - DATA
AU  - U.S. Census Bureau
TI  - American Community Survey 5-year estimates, table B15003: population 25 years and over with a high school diploma, GED or higher as a percentage of the population 25 years and over, calculated with stored inputs: Counties in South Dakota by high school graduate or higher, population 25 and over, 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-b15003.dat
L2  - https://invokely.ai/rankings/high-school-graduate-or-higher/south-dakota-counties?period=2022
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/high-school-graduate-or-higher/south-dakota-counties?period=2022.
N1  - Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table B15003: population 25 years and over with a high school diploma, GED or higher as a percentage of the population 25 years and over, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary_file/2022/table-based-SF/data/5YRData/acsdt5y2022-b15003.dat. Retrieved 2026-10-12.
ER  -
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Rank Counties in South Dakota by high school graduate or higher, population 25 and over using official data, and cite the source.
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Questions

Which county has the highest high school graduate or higher, population 25 and over?

Hughes County, with 96.7% in 2022, according to the U.S. Census Bureau.

Which county has the lowest high school graduate or higher, population 25 and over?

Oglala Lakota County, with 74% 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 B15003: population 25 years and over with a high school diploma, GED or higher as a percentage of the population 25 years and over, calculated with stored inputs. Retrieved 2026-10-12.

High school graduate or higher, population 25 and over: other rankings

Counties in South Dakota: more rankings