RANKING · 2024 ACS · 66 SHOWN OF 66

Highest Czech population share, South Dakota counties

South Dakota counties ranked by the share of all residents who are Czech ancestry (2024 American Community Survey). A concentration measure: Czech residents as a percentage of total population. This list covers the 66 counties in South Dakota that qualify, ranked against each other statewide. The median across all 66 is 1.4%. Biggest climber in the top 100 since 2020: Mellette County, SD, up 34 places to #19.

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SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPCZECH SHAREVS 2010

01Bon Homme County, SDSD7,24412.3%−8.3 pts

02▲2Charles Mix County, SDSD9,3039.9%−1.7 pts

03▲2Brule County, SDSD5,2788.1%−3.4 pts

04▼2Tripp County, SDSD5,7087.4%−0.3 pts

05▼2Gregory County, SDSD4,0376.5%−4.3 pts

06Yankton County, SDSD23,6356.0%−2.2 pts

07▲1Hutchinson County, SDSD7,4135.4%+3.1 pts

08▲15Faulk County, SDSD2,1784.8%+3.5 pts

09▲25Fall River County, SDSD7,4673.6%+2.3 pts

10▲4Hyde County, SDSD1,1913.5%−0.4 pts

11▼1Stanley County, SDSD3,0183.0%−5.4 pts

12▼5Lyman County, SDSD3,6943.0%−0.3 pts

13▲17Custer County, SDSD9,4312.6%+2.1 pts

14▲23Clay County, SDSD15,0312.6%−0.8 pts

15Jerauld County, SDSD1,6542.5%−0.3 pts

16▲9Butte County, SDSD10,8562.4%+0.8 pts

17▲33Union County, SDSD17,4022.2%+0.8 pts

18▼6Aurora County, SDSD2,8012.0%−2.1 pts

19▲34Mellette County, SDSD2,1372.0%−2.9 pts

20▼4Lawrence County, SDSD29,4591.9%+0.3 pts

21▲23Bennett County, SDSD3,3071.8%−1.5 pts

22▲14Sanborn County, SDSD2,3881.7%−2.5 pts

23▲5Minnehaha County, SDSD212,6911.6%−0.2 pts

24▼13Hand County, SDSD3,1211.6%−0.2 pts

25▲18Hanson County, SDSD3,4561.5%−2.0 pts

26▼17Hughes County, SDSD17,5701.5%−1.5 pts

27▲13Meade County, SDSD30,7111.5%−0.2 pts

28▲20Grant County, SDSD7,5341.5%+0.5 pts

29▼9Douglas County, SDSD2,8881.5%−3.0 pts

30▼4Davison County, SDSD20,0691.5%−1.5 pts

31▼12McCook County, SDSD5,9641.5%+0.1 pts

32▲15Moody County, SDSD6,6321.4%+0.8 pts

33▼16Pennington County, SDSD116,7921.4%−0.4 pts

34▼7Brookings County, SDSD37,6351.4%−0.5 pts

35Perkins County, SDSD2,8531.4%+0.9 pts

36▼14Haakon County, SDSD1,8021.3%−4.9 pts

37▲17Lincoln County, SDSD77,1451.3%−0.5 pts

38▼17Kingsbury County, SDSD5,2841.2%−0.3 pts

39▲16Codington County, SDSD29,5621.1%0.0 pts

40▼27Sully County, SDSD1,4791.1%−1.0 pts

41▲15Edmunds County, SDSD4,0221.1%+0.7 pts

42▼10Walworth County, SDSD5,2171.0%+0.5 pts

43▼12Jones County, SDSD9131.0%−1.0 pts

44▲7Roberts County, SDSD10,2551.0%−0.1 pts

45▼21Marshall County, SDSD4,4260.9%−1.2 pts

46▼28Potter County, SDSD2,3770.8%−0.9 pts

47▼6Brown County, SDSD37,5610.8%−0.5 pts

48▼19Turner County, SDSD9,3140.7%−2.0 pts

49▼4Harding County, SDSD1,3310.7%+0.1 pts

50▼4Jackson County, SDSD2,6660.7%−1.4 pts

51Todd County, SDSD8,8630.7%+0.3 pts

52▼19Day County, SDSD5,4840.6%−0.8 pts

53▲6Miner County, SDSD2,2810.6%−0.2 pts

54▲4McPherson County, SDSD2,3470.6%−0.1 pts

55▼3Beadle County, SDSD19,6240.6%−0.3 pts

56▼17Hamlin County, SDSD6,9000.5%−0.5 pts

57▲4Clark County, SDSD4,0310.5%−0.5 pts

58▼9Spink County, SDSD6,1550.5%−1.0 pts

59Campbell County, SDSD1,3770.4%+0.2 pts

60▼18Lake County, SDSD10,9930.3%−0.2 pts

61▲3Dewey County, SDSD5,4190.3%−0.3 pts

62▼24Deuel County, SDSD4,4080.3%−0.3 pts

63▼1Corson County, SDSD3,7810.2%–

64▼4Ziebach County, SDSD2,3890.1%−0.4 pts

65▼8Buffalo County, SDSD1,8020.1%–

66▼3Oglala Lakota County, SDSD13,3380.1%–

SHOWING 1–66 OF 66

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES