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 (2024 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. The median across all 52 is 0.1%. Biggest climber in the top 100 since 2020: Iowa County, IA, up 55 places to #2.

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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, IAIA12,0771.8%−2.8 pts

02▲55Iowa County, IAIA16,5040.3%+0.3 pts

03▲1Bremer County, IAIA25,2960.3%–

04▲11Lucas County, IAIA8,8470.2%+0.1 pts

05▲1Polk County, IAIA516,5460.2%0.0 pts

06▲12Monroe County, IAIA7,4060.2%−1.3 pts

07▲18Jefferson County, IAIA15,2910.2%+0.1 pts

08▲12Scott County, IAIA175,2590.2%−0.1 pts

09▲8Davis County, IAIA9,2300.2%–

10▲36Lee County, IAIA32,3060.1%0.0 pts

11▼1Boone County, IAIA26,7990.1%−0.1 pts

12▲1Dallas County, IAIA118,4570.1%0.0 pts

13▲13Johnson County, IAIA160,0440.1%0.0 pts

14▲9Black Hawk County, IAIA131,5320.1%−0.1 pts

15▼6Jasper County, IAIA38,1530.1%0.0 pts

16▼11Wayne County, IAIA6,7380.1%−0.3 pts

17Clayton County, IAIA16,8450.1%+0.1 pts

18▲1Washington County, IAIA22,6670.1%–

19▲28Des Moines County, IAIA38,0770.1%–

20▲10Jones County, IAIA21,2530.1%0.0 pts

21▲8Story County, IAIA101,2910.1%0.0 pts

22▲26Cerro Gordo County, IAIA42,3720.1%−0.1 pts

23▼15Marion County, IAIA34,1920.1%−0.3 pts

24▲17Delaware County, IAIA17,6740.1%–

25▼3Linn County, IAIA232,0280.1%0.0 pts

26▲1Guthrie County, IAIA10,7820.1%–

27▼15Montgomery County, IAIA10,0020.0%–

28▲28Clinton County, IAIA46,0020.0%0.0 pts

29▲5Woodbury County, IAIA106,6490.0%0.0 pts

30Van Buren County, IAIA7,1310.0%–

31▼17Pottawattamie County, IAIA92,9960.0%−0.1 pts

32▲26Tama County, IAIA16,7960.0%–

33▼22Warren County, IAIA57,3310.0%−0.2 pts

34Taylor County, IAIA5,8350.0%–

35▼32Wapello County, IAIA35,2100.0%−0.2 pts

36▼15Muscatine County, IAIA41,8530.0%0.0 pts

37Franklin County, IAIA9,8680.0%–

38Buchanan County, IAIA20,8830.0%–

39▲11Monona County, IAIA8,5390.0%–

40▲11Cedar County, IAIA18,3590.0%–

41Harrison County, IAIA14,6230.0%–

42▼9Dubuque County, IAIA99,3810.0%0.0 pts

43Henry County, IAIA19,3490.0%–

44▲10Allamakee County, IAIA14,2380.0%–

45▼3Butler County, IAIA14,0490.0%0.0 pts

46Greene County, IAIA8,6580.0%0.0 pts

47▲2Benton County, IAIA26,0040.0%0.0 pts

48▼8Plymouth County, IAIA25,6970.0%0.0 pts

49▲4Cass County, IAIA12,9600.0%−0.3 pts

50▼26Buena Vista County, IAIA20,4490.0%0.0 pts

51▼23Mahaska County, IAIA21,8800.0%−0.1 pts

52Marshall County, IAIA39,8900.0%−0.3 pts

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES