RANKING · 2020 CENSUS · 78 SHOWN OF 78

Largest Czech population, Indiana counties · 2020

Indiana counties ranked by the number of residents who are Czech ancestry, from the 2020 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 78 counties in Indiana that qualify, ranked against each other statewide.

Czech Americans: full group profile →

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SAME RANKING BYCities States Metros

RELATEDLargest American population Highest American population share Largest Arab population Highest Arab population share Largest Egyptian population Highest Egyptian population share

YEAR2010 2020 2024

RANKPLACESTATEPOPCZECH POPULATIONVS 2010

01Lake County, ININ504,6122,240−7%

02Hamilton County, ININ387,0361,693+49%

03Marion County, ININ992,1961,589−3%

04Porter County, ININ176,0491,502+31%

05St. Joseph County, ININ272,8611,223+24%

06Allen County, ININ402,329780−33%

07LaPorte County, ININ111,294630−32%

08Monroe County, ININ143,345587−31%

09Tippecanoe County, ININ190,456558−7%

10Elkhart County, ININ208,774308−66%

11Vanderburgh County, ININ181,995272−11%

12Starke County, ININ23,425220−47%

13Johnson County, ININ174,262207−1%

14Wayne County, ININ66,169175+173%

15Jasper County, ININ33,894169−25%

16Vigo County, ININ106,512168−56%

17Clark County, ININ130,451165+15%

18Putnam County, ININ37,876159−2%

19Madison County, ININ135,088133−32%

20Bartholomew County, ININ85,729129−52%

21Morgan County, ININ74,967117−2%

22Hendricks County, ININ193,510114−74%

23Noble County, ININ47,937108+21%

24Hancock County, ININ90,969106+49%

25Kosciusko County, ININ80,892104+235%

26Randolph County, ININ24,43894+453%

27Boone County, ININ80,68993−52%

28Miami County, ININ34,48786−42%

29Marshall County, ININ46,59986−77%

30Delaware County, ININ113,10682−39%

31Cass County, ININ37,83677−13%

32Warrick County, ININ66,80375−32%

33Pulaski County, ININ12,46374−28%

34Howard County, ININ83,90473−41%

35LaGrange County, ININ41,30573+508%

36Steuben County, ININ34,79970−72%

37White County, ININ25,16465−39%

38Huntington County, ININ37,22462−41%

39Carroll County, ININ20,65559+97%

40Martin County, ININ9,85652–

41Gibson County, ININ33,09151+2%

42Montgomery County, ININ38,95450+150%

43Henry County, ININ49,13747−2%

44Vermillion County, ININ15,48847−43%

45Floyd County, ININ82,15346+5%

46Fulton County, ININ20,09142−39%

47Greene County, ININ31,16541−7%

48Shelby County, ININ45,88241+21%

49Brown County, ININ15,77740+344%

50Lawrence County, ININ45,56839+5%

51Washington County, ININ28,38339–

52Parke County, ININ16,64236+157%

53Grant County, ININ66,52435−30%

54Daviess County, ININ34,20933+22%

55Clay County, ININ26,41032+357%

56Ripley County, ININ29,43432+129%

57Tipton County, ININ15,31932+100%

58Wells County, ININ28,88330+233%

59Warren County, ININ8,47429+625%

60DeKalb County, ININ44,53526−42%

61Fountain County, ININ17,01326−35%

62Harrison County, ININ40,43724−8%

63Perry County, ININ19,38923−12%

64Whitley County, ININ35,04623−15%

65Jackson County, ININ47,37021–

66Newton County, ININ14,18819−87%

67Dearborn County, ININ51,60914−75%

68Knox County, ININ35,65214−60%

69Benton County, ININ8,88313+44%

70Dubois County, ININ44,01612–

71Fayette County, ININ23,5339+50%

72Jefferson County, ININ33,2797−36%

73Blackford County, ININ11,7306−83%

74Owen County, ININ21,8866−33%

75Clinton County, ININ33,3225−83%

76Adams County, ININ36,6502−98%

77Crawford County, ININ10,5092–

78Wabash County, ININ30,7131−98%

SHOWING 1–78 OF 78

Download CSV (full list, 78 rows)

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