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 (2023 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.

IowaAll states All rankings

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 2000

01Appanoose County, IAIA12,0772.3%–

02Clarke County, IAIA9,5740.4%–

03Wapello County, IAIA35,2100.3%–

04Bremer County, IAIA25,2960.3%–

05Wayne County, IAIA6,7380.3%–

06Polk County, IAIA516,5460.3%–

07Mills County, IAIA14,7930.2%–

08Marion County, IAIA34,1920.2%–

09Jasper County, IAIA38,1530.2%–

10Boone County, IAIA26,7990.2%–

11Warren County, IAIA57,3310.2%–

12Montgomery County, IAIA10,0020.2%–

13Dallas County, IAIA118,4570.2%–

14Pottawattamie County, IAIA92,9960.2%–

15Lucas County, IAIA8,8470.2%–

16Poweshiek County, IAIA18,3680.2%–

17Davis County, IAIA9,2300.2%–

18Monroe County, IAIA7,4060.1%–

19Washington County, IAIA22,6670.1%–

20Scott County, IAIA175,2590.1%–

21Muscatine County, IAIA41,8530.1%–

22Linn County, IAIA232,0280.1%–

23Black Hawk County, IAIA131,5320.1%–

24Buena Vista County, IAIA20,4490.1%–

25Jefferson County, IAIA15,2910.1%–

26Johnson County, IAIA160,0440.1%–

27Guthrie County, IAIA10,7820.1%–

28Mahaska County, IAIA21,8800.1%–

29Story County, IAIA101,2910.1%–

30Jones County, IAIA21,2530.1%–

31Louisa County, IAIA10,4160.1%–

32Wright County, IAIA12,8010.1%–

33Dubuque County, IAIA99,3810.1%–

34Woodbury County, IAIA106,6490.1%–

35Humboldt County, IAIA9,4090.1%–

36Keokuk County, IAIA9,7970.1%–

37Winnebago County, IAIA10,2510.1%–

38Howard County, IAIA9,4150.1%–

39Page County, IAIA14,8560.1%–

40Plymouth County, IAIA25,6970.1%–

41Delaware County, IAIA17,6740.0%–

42Butler County, IAIA14,0490.0%–

43Jackson County, IAIA19,2880.0%–

44Kossuth County, IAIA14,3220.0%–

45Winneshiek County, IAIA19,7330.0%–

46Lee County, IAIA32,3060.0%–

47Des Moines County, IAIA38,0770.0%–

48Cerro Gordo County, IAIA42,3720.0%–

49Benton County, IAIA26,0040.0%–

50Monona County, IAIA8,5390.0%–

51Cedar County, IAIA18,3590.0%–

52Calhoun County, IAIA9,5620.0%–

53Cass County, IAIA12,9600.0%–

54Allamakee County, IAIA14,2380.0%–

55Webster County, IAIA36,8380.0%–

56Clinton County, IAIA46,0020.0%–

57Iowa County, IAIA16,5040.0%–

58Tama County, IAIA16,7960.0%–

59Shelby County, IAIA11,6890.0%–

SHOWING 1–59 OF 59

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