RANKING · 2024 ACS · 52 SHOWN OF 52

Highest Croatian population share, Iowa counties

Iowa counties ranked by the share of all residents who are Croatian ancestry (2023 American Community Survey). A concentration measure: Croatian residents as a percentage of total population. This list covers the 52 counties in Iowa that qualify, ranked against each other statewide.

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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 SHAREVS 2000

01Appanoose County, IAIA12,0771.8%–

02Iowa County, IAIA16,5040.3%–

03Bremer County, IAIA25,2960.3%–

04Lucas County, IAIA8,8470.2%–

05Polk County, IAIA516,5460.2%–

06Monroe County, IAIA7,4060.2%–

07Jefferson County, IAIA15,2910.2%–

08Scott County, IAIA175,2590.2%–

09Davis County, IAIA9,2300.2%–

10Lee County, IAIA32,3060.1%–

11Boone County, IAIA26,7990.1%–

12Dallas County, IAIA118,4570.1%–

13Johnson County, IAIA160,0440.1%–

14Black Hawk County, IAIA131,5320.1%–

15Jasper County, IAIA38,1530.1%–

16Wayne County, IAIA6,7380.1%–

17Clayton County, IAIA16,8450.1%–

18Washington County, IAIA22,6670.1%–

19Des Moines County, IAIA38,0770.1%–

20Jones County, IAIA21,2530.1%–

21Story County, IAIA101,2910.1%–

22Cerro Gordo County, IAIA42,3720.1%–

23Marion County, IAIA34,1920.1%–

24Delaware County, IAIA17,6740.1%–

25Linn County, IAIA232,0280.1%–

26Guthrie County, IAIA10,7820.1%–

27Montgomery County, IAIA10,0020.0%–

28Clinton County, IAIA46,0020.0%–

29Woodbury County, IAIA106,6490.0%–

30Van Buren County, IAIA7,1310.0%–

31Pottawattamie County, IAIA92,9960.0%–

32Tama County, IAIA16,7960.0%–

33Warren County, IAIA57,3310.0%–

34Taylor County, IAIA5,8350.0%–

35Wapello County, IAIA35,2100.0%–

36Muscatine County, IAIA41,8530.0%–

37Franklin County, IAIA9,8680.0%–

38Buchanan County, IAIA20,8830.0%–

39Monona County, IAIA8,5390.0%–

40Cedar County, IAIA18,3590.0%–

41Harrison County, IAIA14,6230.0%–

42Dubuque County, IAIA99,3810.0%–

43Henry County, IAIA19,3490.0%–

44Allamakee County, IAIA14,2380.0%–

45Butler County, IAIA14,0490.0%–

46Greene County, IAIA8,6580.0%–

47Benton County, IAIA26,0040.0%–

48Plymouth County, IAIA25,6970.0%–

49Cass County, IAIA12,9600.0%–

50Buena Vista County, IAIA20,4490.0%–

51Mahaska County, IAIA21,8800.0%–

52Marshall County, IAIA39,8900.0%–

SHOWING 1–52 OF 52

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