Ranking of South Dakota Cities and Places By Percentage of Population Aged 25 years and above with an Educational attainment of High School Graduate or Equivalent in 2021 (ACS-5Yrs)

Updated on September 3, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, the percentage of the population of South Dakota (aged 25 years and above) who had an educational attainment of High School Graduate or Equivalent was 30.12%. Among all South Dakota cities and places with a population of 10K or higher, Watertown city had the highest percentage of its population (aged 25 years and above) with an educational attainment of High School Graduate or Equivalent (36.27%), followed by Mitchell city (32.83%), and Yankton city (31.47%).

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.

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

Ranking of South Dakota Cities and Places By Percentage of Population (Aged 25yrs+) with an Educational Attainment of High School Graduate or Equivalent in 2021
Watertown city
Mitchell city
Yankton city
Pierre city
Aberdeen city
Huron city
Rapid City city
Box Elder city
Sioux Falls city
Vermillion city
Ranking of South Dakota Cities and Places By Percentage of Population (Aged 25yrs+) with an Educational Attainment of High School Graduate or Equivalent in 2021
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Rank City of Place Percentage of Population (Aged 25yrs+) (%)
1 Watertown city 36.27
2 Mitchell city 32.83
3 Yankton city 31.47
4 Pierre city 31.42
5 Aberdeen city 31.29
6 Huron city 31.19
7 Rapid City city 26.94
8 Box Elder city 25.78
9 Sioux Falls city 24.60
10 Vermillion city 23.95
11 Spearfish city 23.30
12 Brandon city 22.50
13 Brookings city 20.91