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 2024 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. The median across all 52 is 18. Biggest climber in the top 100 since 2020: Iowa County, IA, up 46 places to #10.

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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 POPULATIONVS 2010

01Polk County, IAIA516,5461,142+32%

02▲2Scott County, IAIA175,259316−19%

03▼1Appanoose County, IAIA12,077222−63%

04▲3Johnson County, IAIA160,044189+20%

05▲3Black Hawk County, IAIA131,532153−34%

06▼3Linn County, IAIA232,028150+47%

07▼2Dallas County, IAIA118,457133+142%

08▲5Story County, IAIA101,29181+25%

09▲5Bremer County, IAIA25,29667–

10▲46Iowa County, IAIA16,50449+2350%

11▲4Woodbury County, IAIA106,64946−25%

12▲19Lee County, IAIA32,30643−17%

13▼2Jasper County, IAIA38,15342−21%

14▲19Des Moines County, IAIA38,07736–

15▼9Pottawattamie County, IAIA92,99635−79%

16▲18Cerro Gordo County, IAIA42,37234−49%

17Boone County, IAIA26,79933−37%

18▲9Jefferson County, IAIA15,29129+53%

19▼7Marion County, IAIA34,19225−82%

20▲2Washington County, IAIA22,66722–

21▲24Clinton County, IAIA46,00221+24%

22▲7Lucas County, IAIA8,84721+133%

23▲5Jones County, IAIA21,25319+46%

24▼15Warren County, IAIA57,33119−81%

25Clayton County, IAIA16,84518+350%

26▼10Dubuque County, IAIA99,38118−70%

27▲3Davis County, IAIA9,23015–

28▲7Monroe County, IAIA7,40614−88%

29▼11Muscatine County, IAIA41,85314−52%

30▲8Delaware County, IAIA17,67413–

31▼21Wapello County, IAIA35,21012−84%

32▼6Wayne County, IAIA6,7387−74%

33▲3Guthrie County, IAIA10,7826–

34▲24Tama County, IAIA16,7966–

35Buchanan County, IAIA20,8835–

36▼13Montgomery County, IAIA10,0025–

37▲15Cedar County, IAIA18,3594–

38Franklin County, IAIA9,8683–

39Harrison County, IAIA14,6233–

40Henry County, IAIA19,3493–

41Van Buren County, IAIA7,1313–

42Taylor County, IAIA5,8352–

43▲10Allamakee County, IAIA14,2382–

44▼1Benton County, IAIA26,0042−87%

45▼1Butler County, IAIA14,0492−60%

46▲11Monona County, IAIA8,5392–

47▼15Plymouth County, IAIA25,6972−33%

48Greene County, IAIA8,6581−50%

49▼25Buena Vista County, IAIA20,4491−89%

50▲5Cass County, IAIA12,9601−98%

51▼26Mahaska County, IAIA21,8801−92%

52Marshall County, IAIA39,8901−99%

SHOWING 1–52 OF 52

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