RANKING · 2024 ACS · 66 SHOWN OF 66

Least educated, South Dakota counties

South Dakota counties with the smallest share of adults 25+ holding a bachelor's degree or higher (2023 ACS). This list covers the 66 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 2000

01Buffalo County, SDSD1,8029.9%+84%

02Oglala Lakota County, SDSD13,33811.8%–

03Jackson County, SDSD2,66612.4%−23%

04Ziebach County, SDSD2,38915.2%+27%

05Todd County, SDSD8,86316.6%+37%

06Miner County, SDSD2,28116.7%+24%

07Tripp County, SDSD5,70817.7%+31%

08Bennett County, SDSD3,30718.3%+44%

09Roberts County, SDSD10,25518.6%+39%

10Dewey County, SDSD5,41918.8%+55%

11Corson County, SDSD3,78119.0%+68%

12Mellette County, SDSD2,13719.1%+15%

13Bon Homme County, SDSD7,24419.6%+28%

14Clark County, SDSD4,03119.7%+74%

15Butte County, SDSD10,85619.9%+62%

16Hyde County, SDSD1,19120.3%+27%

17Sanborn County, SDSD2,38821.3%+44%

18Jerauld County, SDSD1,65421.3%+74%

19Codington County, SDSD29,56221.4%+14%

20Aurora County, SDSD2,80121.4%+68%

21Haakon County, SDSD1,80221.5%+40%

22Day County, SDSD5,48422.0%+43%

23Gregory County, SDSD4,03722.2%+85%

24Hanson County, SDSD3,45622.5%+61%

25Davison County, SDSD20,06922.6%+12%

26Faulk County, SDSD2,17822.6%+72%

27Kingsbury County, SDSD5,28423.1%+42%

28Sully County, SDSD1,47924.1%+46%

29Hamlin County, SDSD6,90024.5%+91%

30Lyman County, SDSD3,69424.5%+55%

31Perkins County, SDSD2,85324.9%+70%

32Douglas County, SDSD2,88824.9%+72%

33Deuel County, SDSD4,40825.1%+89%

34Grant County, SDSD7,53425.3%+71%

35Marshall County, SDSD4,42625.4%+57%

36Charles Mix County, SDSD9,30325.7%+83%

37McPherson County, SDSD2,34726.5%+148%

38Beadle County, SDSD19,62427.2%+48%

39Potter County, SDSD2,37727.2%+68%

40Turner County, SDSD9,31427.3%+61%

41Jones County, SDSD91327.4%+54%

42Meade County, SDSD30,71127.8%+65%

43Spink County, SDSD6,15528.2%+96%

44Stanley County, SDSD3,01828.2%+28%

45Edmunds County, SDSD4,02228.2%+82%

46Hand County, SDSD3,12128.4%+82%

47Brule County, SDSD5,27828.7%+39%

48Hutchinson County, SDSD7,41328.8%+103%

49Fall River County, SDSD7,46729.4%+53%

50Walworth County, SDSD5,21729.6%+87%

51McCook County, SDSD5,96429.9%+83%

52Harding County, SDSD1,33130.4%+71%

53Moody County, SDSD6,63230.4%+75%

54Yankton County, SDSD23,63531.4%+36%

55Custer County, SDSD9,43131.6%+29%

56Lawrence County, SDSD29,45932.9%+37%

57Brown County, SDSD37,56133.8%+43%

58Lake County, SDSD10,99334.6%+64%

59Pennington County, SDSD116,79234.6%+39%

60Minnehaha County, SDSD212,69135.2%+35%

61Campbell County, SDSD1,37736.0%+144%

62Union County, SDSD17,40237.0%+41%

63Hughes County, SDSD17,57039.0%+22%

64Brookings County, SDSD37,63542.5%+32%

65Lincoln County, SDSD77,14544.4%+74%

66Clay County, SDSD15,03145.4%+17%

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