RANKING · 1990 CENSUS · 65 SHOWN OF 65

Most educated, South Dakota counties · 1990

South Dakota counties ranked by the share of adults 25+ holding a bachelor's degree or higher (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

RANKPLACESTATEPOPBACHELOR'S DEGREE OR HIGHERVS –

01Clay County, SDSD15,03136.3%–

02Brookings County, SDSD37,63527.3%–

03Hughes County, SDSD17,57025.6%–

04Minnehaha County, SDSD212,69121.3%–

05Pennington County, SDSD116,79221.2%–

06Brown County, SDSD37,56120.7%–

07Lawrence County, SDSD29,45919.2%–

08Yankton County, SDSD23,63518.6%–

09Lake County, SDSD10,99318.5%–

10Custer County, SDSD9,43117.5%–

11Meade County, SDSD30,71116.4%–

12Sanborn County, SDSD2,38816.4%–

13Lincoln County, SDSD77,14516.4%–

14Fall River County, SDSD7,46716.3%–

15Harding County, SDSD1,33116.2%–

16Hanson County, SDSD3,45615.3%–

17Beadle County, SDSD19,62415.1%–

18Brule County, SDSD5,27814.9%–

19Davison County, SDSD20,06914.8%–

20Stanley County, SDSD3,01814.6%–

21Hyde County, SDSD1,19114.5%–

22Walworth County, SDSD5,21714.5%–

23Jones County, SDSD91314.4%–

24Moody County, SDSD6,63213.9%–

25Union County, SDSD17,40213.9%–

26Codington County, SDSD29,56212.9%–

27Sully County, SDSD1,47912.9%–

28Hand County, SDSD3,12112.8%–

29Spink County, SDSD6,15512.7%–

30Haakon County, SDSD1,80212.7%–

31Perkins County, SDSD2,85312.7%–

32Turner County, SDSD9,31412.5%–

33Mellette County, SDSD2,13712.3%–

34Butte County, SDSD10,85612.3%–

35Potter County, SDSD2,37712.3%–

36McCook County, SDSD5,96411.9%–

37Todd County, SDSD8,86311.8%–

38Gregory County, SDSD4,03711.8%–

39Kingsbury County, SDSD5,28411.6%–

40Hutchinson County, SDSD7,41311.3%–

41Day County, SDSD5,48411.3%–

42Jerauld County, SDSD1,65411.3%–

43Edmunds County, SDSD4,02211.3%–

44Bon Homme County, SDSD7,24411.3%–

45Hamlin County, SDSD6,90011.2%–

46Douglas County, SDSD2,88811.2%–

47Aurora County, SDSD2,80111.0%–

48Jackson County, SDSD2,66610.9%–

49Campbell County, SDSD1,37710.7%–

50Faulk County, SDSD2,17810.6%–

51Lyman County, SDSD3,69410.5%–

52Corson County, SDSD3,78110.5%–

53Dewey County, SDSD5,41910.4%–

54Bennett County, SDSD3,30710.4%–

55Roberts County, SDSD10,25510.4%–

56Miner County, SDSD2,28110.3%–

57Marshall County, SDSD4,42610.2%–

58McPherson County, SDSD2,34710.0%–

59Charles Mix County, SDSD9,3039.9%–

60Clark County, SDSD4,0319.8%–

61Deuel County, SDSD4,4089.7%–

62Tripp County, SDSD5,7089.6%–

63Grant County, SDSD7,5349.3%–

64Ziebach County, SDSD2,3898.5%–

65Buffalo County, SDSD1,8024.2%–

SHOWING 1–65 OF 65

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