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 (1990 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 –

01Clay County, SDSD15,03119.5%–

02Brookings County, SDSD37,63511.9%–

03Hughes County, SDSD17,5707.1%–

04Pennington County, SDSD116,7926.4%–

05Yankton County, SDSD23,6356.1%–

06Brown County, SDSD37,5615.9%–

07Minnehaha County, SDSD212,6915.4%–

08Lawrence County, SDSD29,4595.1%–

09Lake County, SDSD10,9935.1%–

10Todd County, SDSD8,8635.0%–

11Union County, SDSD17,4024.8%–

12Meade County, SDSD30,7114.8%–

13Lincoln County, SDSD77,1454.6%–

14Hanson County, SDSD3,4564.5%–

15Custer County, SDSD9,4314.5%–

16Fall River County, SDSD7,4674.5%–

17Davison County, SDSD20,0694.3%–

18Brule County, SDSD5,2784.3%–

19Perkins County, SDSD2,8534.0%–

20Walworth County, SDSD5,2174.0%–

21Codington County, SDSD29,5623.7%–

22Stanley County, SDSD3,0183.6%–

23Jones County, SDSD9133.6%–

24Hyde County, SDSD1,1913.5%–

25Bon Homme County, SDSD7,2443.5%–

26Beadle County, SDSD19,6243.4%–

27Moody County, SDSD6,6323.3%–

28Butte County, SDSD10,8563.3%–

29Mellette County, SDSD2,1373.3%–

30Sanborn County, SDSD2,3883.2%–

31Day County, SDSD5,4843.1%–

32Potter County, SDSD2,3773.1%–

33Bennett County, SDSD3,3073.0%–

34McCook County, SDSD5,9643.0%–

35Hutchinson County, SDSD7,4133.0%–

36Dewey County, SDSD5,4192.9%–

37Spink County, SDSD6,1552.9%–

38Roberts County, SDSD10,2552.9%–

39Lyman County, SDSD3,6942.8%–

40Corson County, SDSD3,7812.8%–

41Hand County, SDSD3,1212.8%–

42Haakon County, SDSD1,8022.8%–

43Douglas County, SDSD2,8882.7%–

44Harding County, SDSD1,3312.7%–

45Turner County, SDSD9,3142.6%–

46McPherson County, SDSD2,3472.6%–

47Kingsbury County, SDSD5,2842.5%–

48Jerauld County, SDSD1,6542.5%–

49Deuel County, SDSD4,4082.4%–

50Faulk County, SDSD2,1782.4%–

51Ziebach County, SDSD2,3892.3%–

52Edmunds County, SDSD4,0222.2%–

53Charles Mix County, SDSD9,3032.2%–

54Gregory County, SDSD4,0372.2%–

55Campbell County, SDSD1,3772.2%–

56Aurora County, SDSD2,8012.2%–

57Miner County, SDSD2,2812.1%–

58Tripp County, SDSD5,7082.0%–

59Grant County, SDSD7,5342.0%–

60Hamlin County, SDSD6,9002.0%–

61Jackson County, SDSD2,6661.9%–

62Marshall County, SDSD4,4261.9%–

63Clark County, SDSD4,0311.3%–

64Sully County, SDSD1,4791.0%–

65Buffalo County, SDSD1,8021.0%–

SHOWING 1–65 OF 65

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS