RANKING · 2010 CENSUS · 56 SHOWN OF 56

Largest Croatian population, Iowa counties · 2010

Iowa counties ranked by the number of residents who are Croatian ancestry, from the 2010 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 56 counties in Iowa that qualify, ranked against each other statewide. The median across all 56 is 19.

Croatian 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

RANKPLACESTATEPOPCROATIAN POPULATIONVS –

01Polk County, IAIA516,546868–

02Appanoose County, IAIA12,077596–

03Scott County, IAIA175,259392–

04Black Hawk County, IAIA131,532232–

05Pottawattamie County, IAIA92,996165–

06Johnson County, IAIA160,044157–

07Marion County, IAIA34,192137–

08Monroe County, IAIA7,406121–

09Marshall County, IAIA39,890108–

10Linn County, IAIA232,028102–

11Warren County, IAIA57,33199–

12Wapello County, IAIA35,21076–

13Cerro Gordo County, IAIA42,37267–

14Story County, IAIA101,29165–

15Dubuque County, IAIA99,38161–

16Woodbury County, IAIA106,64961–

17Dallas County, IAIA118,45755–

18Jasper County, IAIA38,15353–

19Boone County, IAIA26,79952–

20Lee County, IAIA32,30652–

21Cass County, IAIA12,96044–

22Webster County, IAIA36,83833–

23Crawford County, IAIA16,23729–

24Muscatine County, IAIA41,85329–

25Wayne County, IAIA6,73827–

26Hancock County, IAIA10,52823–

27Hardin County, IAIA16,45520–

28Jefferson County, IAIA15,29119–

29Mills County, IAIA14,79318–

30Clinton County, IAIA46,00217–

31Page County, IAIA14,85617–

32Benton County, IAIA26,00415–

33Jones County, IAIA21,25313–

34Mahaska County, IAIA21,88013–

35Calhoun County, IAIA9,56211–

36Clay County, IAIA16,20211–

37Ringgold County, IAIA4,64211–

38Sioux County, IAIA36,77410–

39Buena Vista County, IAIA20,4499–

40Lucas County, IAIA8,8479–

41Union County, IAIA11,8299–

42Wright County, IAIA12,8018–

43Audubon County, IAIA5,5095–

44Butler County, IAIA14,0495–

45Clayton County, IAIA16,8454–

46Ida County, IAIA6,7774–

47Keokuk County, IAIA9,7974–

48Kossuth County, IAIA14,3224–

49Louisa County, IAIA10,4164–

50Plymouth County, IAIA25,6973–

51Winneshiek County, IAIA19,7333–

52Worth County, IAIA7,3383–

53Cherokee County, IAIA11,3692–

54Fayette County, IAIA19,0472–

55Greene County, IAIA8,6582–

56Iowa County, IAIA16,5042–

SHOWING 1–56 OF 56

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