RANKING · 2020 CENSUS · 59 SHOWN OF 59

Largest Croatian population, Iowa counties · 2020

Iowa counties ranked by the number of residents who are Croatian ancestry, from the 2020 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 59 counties in Iowa that qualify, ranked against each other statewide.

Croatian Americans: full group profile →

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 POPULATIONVS 2010

01Polk County, IAIA516,5461,235+42%

02Appanoose County, IAIA12,077284−52%

03Linn County, IAIA232,028270+165%

04Scott County, IAIA175,259242−38%

05Dallas County, IAIA118,457180+227%

06Pottawattamie County, IAIA92,996174+5%

07Johnson County, IAIA160,044128−18%

08Black Hawk County, IAIA131,532124−47%

09Warren County, IAIA57,331111+12%

10Wapello County, IAIA35,21099+30%

11Jasper County, IAIA38,15382+55%

12Marion County, IAIA34,19278−43%

13Story County, IAIA101,29171+9%

14Bremer County, IAIA25,29669–

15Woodbury County, IAIA106,64966+8%

16Dubuque County, IAIA99,38163+3%

17Boone County, IAIA26,79958+12%

18Muscatine County, IAIA41,85357+97%

19Clarke County, IAIA9,57440–

20Mills County, IAIA14,79337+106%

21Washington County, IAIA22,66731–

22Poweshiek County, IAIA18,36831–

23Montgomery County, IAIA10,00220–

24Buena Vista County, IAIA20,44918+100%

25Mahaska County, IAIA21,88017+31%

26Wayne County, IAIA6,73817−37%

27Jefferson County, IAIA15,29116−16%

28Lucas County, IAIA8,84715+67%

29Jones County, IAIA21,25315+15%

30Davis County, IAIA9,23014–

31Lee County, IAIA32,30613−75%

32Plymouth County, IAIA25,69713+333%

33Des Moines County, IAIA38,07711–

34Monroe County, IAIA7,40611−91%

35Cerro Gordo County, IAIA42,37211−84%

36Guthrie County, IAIA10,7829–

37Wright County, IAIA12,8019+13%

38Jackson County, IAIA19,2888–

39Page County, IAIA14,8568−53%

40Winneshiek County, IAIA19,7338+167%

41Delaware County, IAIA17,6748–

42Louisa County, IAIA10,4168+100%

43Butler County, IAIA14,0496+20%

44Clinton County, IAIA46,0026−65%

45Humboldt County, IAIA9,4096–

46Keokuk County, IAIA9,7976+50%

47Benton County, IAIA26,0046−60%

48Kossuth County, IAIA14,3226+50%

49Winnebago County, IAIA10,2516–

50Howard County, IAIA9,4155–

51Webster County, IAIA36,8385−85%

52Cedar County, IAIA18,3594–

53Allamakee County, IAIA14,2382–

54Calhoun County, IAIA9,5622−82%

55Cass County, IAIA12,9602−95%

56Iowa County, IAIA16,5042+0%

57Monona County, IAIA8,5392–

58Tama County, IAIA16,7962–

59Shelby County, IAIA11,6891–

SHOWING 1–59 OF 59

Download CSV (full list, 59 rows)

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS