RANKING · 1990 CENSUS · 65 SHOWN OF 65

Most graduate degrees, South Dakota counties · 1990

South Dakota counties ranked by the share of adults 25+ holding a graduate or professional degree (2023 ACS). This list covers the 65 counties in South Dakota that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros ZIP codes

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPGRADUATE DEGREEVS 2000

01Clay County, SDSD15,03119.5%+12%

02Brookings County, SDSD37,63511.9%−4%

03Hughes County, SDSD17,5707.1%−10%

04Pennington County, SDSD116,7926.4%−20%

05Yankton County, SDSD23,6356.1%−15%

06Brown County, SDSD37,5615.9%−6%

07Minnehaha County, SDSD212,6915.4%−21%

08Lawrence County, SDSD29,4595.1%−28%

09Lake County, SDSD10,9935.1%−9%

10Todd County, SDSD8,8635.0%+10%

11Union County, SDSD17,4024.8%−45%

12Meade County, SDSD30,7114.8%−0%

13Lincoln County, SDSD77,1454.6%−27%

14Hanson County, SDSD3,4564.5%+62%

15Custer County, SDSD9,4314.5%−36%

16Fall River County, SDSD7,4674.5%−36%

17Davison County, SDSD20,0694.3%−23%

18Brule County, SDSD5,2784.3%−3%

19Perkins County, SDSD2,8534.0%+15%

20Walworth County, SDSD5,2174.0%+45%

21Codington County, SDSD29,5623.7%−25%

22Stanley County, SDSD3,0183.6%−38%

23Jones County, SDSD9133.6%−0%

24Hyde County, SDSD1,1913.5%−3%

25Bon Homme County, SDSD7,2443.5%−15%

26Beadle County, SDSD19,6243.4%+4%

27Moody County, SDSD6,6323.3%−27%

28Butte County, SDSD10,8563.3%+13%

29Mellette County, SDSD2,1373.3%+70%

30Sanborn County, SDSD2,3883.2%+7%

31Day County, SDSD5,4843.1%−6%

32Potter County, SDSD2,3773.1%−6%

33Bennett County, SDSD3,3073.0%+0%

34McCook County, SDSD5,9643.0%−26%

35Hutchinson County, SDSD7,4133.0%−9%

36Dewey County, SDSD5,4192.9%−11%

37Spink County, SDSD6,1552.9%−18%

38Roberts County, SDSD10,2552.9%−23%

39Lyman County, SDSD3,6942.8%−31%

40Corson County, SDSD3,7812.8%+80%

41Hand County, SDSD3,1212.8%−8%

42Haakon County, SDSD1,8022.8%−20%

43Douglas County, SDSD2,8882.7%−27%

44Harding County, SDSD1,3312.7%+183%

45Turner County, SDSD9,3142.6%−34%

46McPherson County, SDSD2,3472.6%+4%

47Kingsbury County, SDSD5,2842.5%−20%

48Jerauld County, SDSD1,6542.5%−26%

49Deuel County, SDSD4,4082.4%−30%

50Faulk County, SDSD2,1782.4%+5%

51Ziebach County, SDSD2,3892.3%−21%

52Edmunds County, SDSD4,0222.2%−32%

53Charles Mix County, SDSD9,3032.2%−32%

54Gregory County, SDSD4,0372.2%−23%

55Campbell County, SDSD1,3772.2%−14%

56Aurora County, SDSD2,8012.2%−21%

57Miner County, SDSD2,2812.1%−10%

58Tripp County, SDSD5,7082.0%−20%

59Grant County, SDSD7,5342.0%−53%

60Hamlin County, SDSD6,9002.0%−48%

61Jackson County, SDSD2,6661.9%−45%

62Marshall County, SDSD4,4261.9%−46%

63Clark County, SDSD4,0311.3%−36%

64Sully County, SDSD1,4791.0%−69%

65Buffalo County, SDSD1,8021.0%−15%

SHOWING 1–65 OF 65

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UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES