RANKING · 2024 ACS · 52 SHOWN OF 52

Largest Croatian population, Iowa counties

Iowa counties ranked by the number of residents who are Croatian ancestry, from the 2023 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 52 counties in Iowa that qualify, ranked against each other statewide.

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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 2000

01Polk County, IAIA516,5461,142–

02Scott County, IAIA175,259316–

03Appanoose County, IAIA12,077222–

04Johnson County, IAIA160,044189–

05Black Hawk County, IAIA131,532153–

06Linn County, IAIA232,028150–

07Dallas County, IAIA118,457133–

08Story County, IAIA101,29181–

09Bremer County, IAIA25,29667–

10Iowa County, IAIA16,50449–

11Woodbury County, IAIA106,64946–

12Lee County, IAIA32,30643–

13Jasper County, IAIA38,15342–

14Des Moines County, IAIA38,07736–

15Pottawattamie County, IAIA92,99635–

16Cerro Gordo County, IAIA42,37234–

17Boone County, IAIA26,79933–

18Jefferson County, IAIA15,29129–

19Marion County, IAIA34,19225–

20Washington County, IAIA22,66722–

21Clinton County, IAIA46,00221–

22Lucas County, IAIA8,84721–

23Jones County, IAIA21,25319–

24Warren County, IAIA57,33119–

25Clayton County, IAIA16,84518–

26Dubuque County, IAIA99,38118–

27Davis County, IAIA9,23015–

28Monroe County, IAIA7,40614–

29Muscatine County, IAIA41,85314–

30Delaware County, IAIA17,67413–

31Wapello County, IAIA35,21012–

32Wayne County, IAIA6,7387–

33Guthrie County, IAIA10,7826–

34Tama County, IAIA16,7966–

35Buchanan County, IAIA20,8835–

36Montgomery County, IAIA10,0025–

37Cedar County, IAIA18,3594–

38Franklin County, IAIA9,8683–

39Harrison County, IAIA14,6233–

40Henry County, IAIA19,3493–

41Van Buren County, IAIA7,1313–

42Allamakee County, IAIA14,2382–

43Benton County, IAIA26,0042–

44Butler County, IAIA14,0492–

45Monona County, IAIA8,5392–

46Plymouth County, IAIA25,6972–

47Taylor County, IAIA5,8352–

48Buena Vista County, IAIA20,4491–

49Cass County, IAIA12,9601–

50Greene County, IAIA8,6581–

51Mahaska County, IAIA21,8801–

52Marshall County, IAIA39,8901–

SHOWING 1–52 OF 52

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