RANKING · 2020 CENSUS · 59 SHOWN OF 59

Highest Croatian population share, Iowa counties · 2020

Iowa counties ranked by the share of all residents who are Croatian ancestry (2020 American Community Survey). A concentration measure: Croatian residents as a percentage of total population. This list covers the 59 counties in Iowa that qualify, ranked against each other statewide.

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 SHAREVS 2010

01Appanoose County, IAIA12,0772.3%−2.3 pts

02Clarke County, IAIA9,5740.4%–

03Wapello County, IAIA35,2100.3%+0.1 pts

04Bremer County, IAIA25,2960.3%–

05Wayne County, IAIA6,7380.3%−0.2 pts

06Polk County, IAIA516,5460.3%+0.0 pts

07Mills County, IAIA14,7930.2%+0.1 pts

08Marion County, IAIA34,1920.2%−0.2 pts

09Jasper County, IAIA38,1530.2%+0.1 pts

10Boone County, IAIA26,7990.2%+0.0 pts

11Warren County, IAIA57,3310.2%−0.0 pts

12Montgomery County, IAIA10,0020.2%–

13Dallas County, IAIA118,4570.2%+0.1 pts

14Pottawattamie County, IAIA92,9960.2%+0.0 pts

15Lucas County, IAIA8,8470.2%+0.1 pts

16Poweshiek County, IAIA18,3680.2%–

17Davis County, IAIA9,2300.2%–

18Monroe County, IAIA7,4060.1%−1.4 pts

19Washington County, IAIA22,6670.1%–

20Scott County, IAIA175,2590.1%−0.1 pts

21Muscatine County, IAIA41,8530.1%+0.1 pts

22Linn County, IAIA232,0280.1%+0.1 pts

23Black Hawk County, IAIA131,5320.1%−0.1 pts

24Buena Vista County, IAIA20,4490.1%+0.0 pts

25Jefferson County, IAIA15,2910.1%−0.0 pts

26Johnson County, IAIA160,0440.1%−0.0 pts

27Guthrie County, IAIA10,7820.1%–

28Mahaska County, IAIA21,8800.1%+0.0 pts

29Story County, IAIA101,2910.1%−0.0 pts

30Jones County, IAIA21,2530.1%+0.0 pts

31Louisa County, IAIA10,4160.1%+0.0 pts

32Wright County, IAIA12,8010.1%+0.0 pts

33Dubuque County, IAIA99,3810.1%−0.0 pts

34Woodbury County, IAIA106,6490.1%+0.0 pts

35Humboldt County, IAIA9,4090.1%–

36Keokuk County, IAIA9,7970.1%+0.0 pts

37Winnebago County, IAIA10,2510.1%–

38Howard County, IAIA9,4150.1%–

39Page County, IAIA14,8560.1%−0.1 pts

40Plymouth County, IAIA25,6970.1%+0.0 pts

41Delaware County, IAIA17,6740.0%–

42Butler County, IAIA14,0490.0%+0.0 pts

43Jackson County, IAIA19,2880.0%–

44Kossuth County, IAIA14,3220.0%+0.0 pts

45Winneshiek County, IAIA19,7330.0%+0.0 pts

46Lee County, IAIA32,3060.0%−0.1 pts

47Des Moines County, IAIA38,0770.0%–

48Cerro Gordo County, IAIA42,3720.0%−0.1 pts

49Benton County, IAIA26,0040.0%−0.0 pts

50Monona County, IAIA8,5390.0%–

51Cedar County, IAIA18,3590.0%–

52Calhoun County, IAIA9,5620.0%−0.1 pts

53Cass County, IAIA12,9600.0%−0.3 pts

54Allamakee County, IAIA14,2380.0%–

55Webster County, IAIA36,8380.0%−0.1 pts

56Clinton County, IAIA46,0020.0%−0.0 pts

57Iowa County, IAIA16,5040.0%+0.0 pts

58Tama County, IAIA16,7960.0%–

59Shelby County, IAIA11,6890.0%–

SHOWING 1–59 OF 59

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS