Ranking of South Dakota Cities and Places By Percentage of American Indian and Alaska Native Alone Population Aged 25 years and above with an Educational attainment of Less than High School Diploma in 2021 (ACS-5Yrs)

Updated on September 5, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, the percentage of the South Dakota American Indian and Alaska Native Alone population (aged 25 years and above) who had an educational attainment of Less than High School Diploma was 22.53%. Among all South Dakota cities and places with a population of 10K or higher, Spearfish city had the highest percentage of its American Indian and Alaska Native Alone population (aged 25 years and above) with an educational attainment of Less than High School Diploma (59.34%), followed by Huron city (41.22%), and Vermillion city (24.50%).

The chart below shows the top 10 South Dakota cities and places (with a population of 10K+), and the table below shows the ranking of all South Dakota cities and places (with a population of 10K+).

You can see similar information for other educational attainments, and for other races and ethnicities.

You can also see similar information for other states and for the United States.

Ranking of South Dakota Cities and Places By Percentage of American Indian and Alaska Native Alone Population (Aged 25yrs+) with an Educational Attainment of Less than High School Diploma in 2021
Spearfish city
Huron city
Vermillion city
Yankton city
Brookings city
Sioux Falls city
Mitchell city
Rapid City city
Pierre city
Box Elder city
Ranking of South Dakota Cities and Places By Percentage of American Indian and Alaska Native Alone Population (Aged 25yrs+) with an Educational Attainment of Less than High School Diploma in 2021
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Rank City of Place Percentage of Population (Aged 25yrs+) (%)
1 Spearfish city 59.34
2 Huron city 41.22
3 Vermillion city 24.50
4 Yankton city 24.43
5 Brookings city 24.41
6 Sioux Falls city 22.14
7 Mitchell city 21.47
8 Rapid City city 21.11
9 Pierre city 19.39
10 Box Elder city 18.14
11 Watertown city 16.34
12 Aberdeen city 6.30
13 Brandon city 0.00