RANKING · 2020 CENSUS · 59 SHOWN OF 59

Largest Croatian population, Iowa counties · 2020

Iowa counties ranked by the number of residents who are Croatian 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 59 counties in Iowa that qualify, ranked against each other statewide. The median across all 59 is 14.

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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

RANKPLACESTATEPOPCROATIAN POPULATIONVS 2010

01Polk County, IAIA516,5461,235+42%

02Appanoose County, IAIA12,077284−52%

03Linn County, IAIA232,028270+165%

04Scott County, IAIA175,259242−38%

05Dallas County, IAIA118,457180+227%

06Pottawattamie County, IAIA92,996174+5%

07Johnson County, IAIA160,044128−18%

08Black Hawk County, IAIA131,532124−47%

09Warren County, IAIA57,331111+12%

10Wapello County, IAIA35,21099+30%

11Jasper County, IAIA38,15382+55%

12Marion County, IAIA34,19278−43%

13Story County, IAIA101,29171+9%

14Bremer County, IAIA25,29669–

15Woodbury County, IAIA106,64966+8%

16Dubuque County, IAIA99,38163+3%

17Boone County, IAIA26,79958+12%

18Muscatine County, IAIA41,85357+97%

19Clarke County, IAIA9,57440–

20Mills County, IAIA14,79337+106%

21Poweshiek County, IAIA18,36831–

22Washington County, IAIA22,66731–

23Montgomery County, IAIA10,00220–

24Buena Vista County, IAIA20,44918+100%

25Mahaska County, IAIA21,88017+31%

26Wayne County, IAIA6,73817−37%

27Jefferson County, IAIA15,29116−16%

28Jones County, IAIA21,25315+15%

29Lucas County, IAIA8,84715+67%

30Davis County, IAIA9,23014–

31Lee County, IAIA32,30613−75%

32Plymouth County, IAIA25,69713+333%

33Des Moines County, IAIA38,07711–

34Cerro Gordo County, IAIA42,37211−84%

35Monroe County, IAIA7,40611−91%

36Guthrie County, IAIA10,7829–

37Wright County, IAIA12,8019+13%

38Delaware County, IAIA17,6748–

39Jackson County, IAIA19,2888–

40Louisa County, IAIA10,4168+100%

41Page County, IAIA14,8568−53%

42Winneshiek County, IAIA19,7338+167%

43Benton County, IAIA26,0046−60%

44Butler County, IAIA14,0496+20%

45Clinton County, IAIA46,0026−65%

46Humboldt County, IAIA9,4096–

47Keokuk County, IAIA9,7976+50%

48Kossuth County, IAIA14,3226+50%

49Winnebago County, IAIA10,2516–

50Howard County, IAIA9,4155–

51Webster County, IAIA36,8385−85%

52Cedar County, IAIA18,3594–

53Allamakee County, IAIA14,2382–

54Calhoun County, IAIA9,5622−82%

55Cass County, IAIA12,9602−95%

56Iowa County, IAIA16,50420%

57Monona County, IAIA8,5392–

58Tama County, IAIA16,7962–

59Shelby County, IAIA11,6891–

SHOWING 1–59 OF 59

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS