RANKING · 2024 ACS · 68 SHOWN OF 68

Highest Finnish population share, Iowa counties

Iowa counties ranked by the share of all residents who are Finnish ancestry (2023 American Community Survey). A concentration measure: Finnish residents as a percentage of total population. This list covers the 68 counties in Iowa that qualify, ranked against each other statewide.

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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

RANKPLACESTATEPOPFINNISH SHAREVS 2000

01Benton County, IAIA26,0040.7%–

02Henry County, IAIA19,3490.5%–

03Pocahontas County, IAIA6,8190.4%–

04Dallas County, IAIA118,4570.4%–

05Lucas County, IAIA8,8470.3%–

06Winneshiek County, IAIA19,7330.2%–

07Butler County, IAIA14,0490.2%–

08Page County, IAIA14,8560.2%–

09Poweshiek County, IAIA18,3680.2%–

10Decatur County, IAIA7,6550.2%–

11Warren County, IAIA57,3310.2%–

12Monona County, IAIA8,5390.2%–

13Sac County, IAIA9,5250.1%–

14Mitchell County, IAIA10,6500.1%–

15Mahaska County, IAIA21,8800.1%–

16Cerro Gordo County, IAIA42,3720.1%–

17Monroe County, IAIA7,4060.1%–

18Scott County, IAIA175,2590.1%–

19Dickinson County, IAIA18,0770.1%–

20Audubon County, IAIA5,5090.1%–

21Cedar County, IAIA18,3590.1%–

22Boone County, IAIA26,7990.1%–

23Johnson County, IAIA160,0440.1%–

24Story County, IAIA101,2910.1%–

25Worth County, IAIA7,3380.1%–

26Marshall County, IAIA39,8900.1%–

27Iowa County, IAIA16,5040.1%–

28Hardin County, IAIA16,4550.1%–

29O'Brien County, IAIA14,2200.1%–

30Dubuque County, IAIA99,3810.1%–

31Jefferson County, IAIA15,2910.1%–

32Linn County, IAIA232,0280.1%–

33Kossuth County, IAIA14,3220.1%–

34Polk County, IAIA516,5460.1%–

35Lyon County, IAIA12,3540.1%–

36Palo Alto County, IAIA8,8990.1%–

37Clinton County, IAIA46,0020.1%–

38Muscatine County, IAIA41,8530.1%–

39Washington County, IAIA22,6670.0%–

40Carroll County, IAIA20,3030.0%–

41Bremer County, IAIA25,2960.0%–

42Appanoose County, IAIA12,0770.0%–

43Calhoun County, IAIA9,5620.0%–

44Pottawattamie County, IAIA92,9960.0%–

45Keokuk County, IAIA9,7970.0%–

46Wright County, IAIA12,8010.0%–

47Black Hawk County, IAIA131,5320.0%–

48Lee County, IAIA32,3060.0%–

49Sioux County, IAIA36,7740.0%–

50Osceola County, IAIA5,9800.0%–

51Fremont County, IAIA6,5220.0%–

52Clayton County, IAIA16,8450.0%–

53Jasper County, IAIA38,1530.0%–

54Jones County, IAIA21,2530.0%–

55Des Moines County, IAIA38,0770.0%–

56Winnebago County, IAIA10,2510.0%–

57Wapello County, IAIA35,2100.0%–

58Adams County, IAIA3,6170.0%–

59Greene County, IAIA8,6580.0%–

60Emmet County, IAIA9,1070.0%–

61Harrison County, IAIA14,6230.0%–

62Jackson County, IAIA19,2880.0%–

63Cherokee County, IAIA11,3690.0%–

64Hamilton County, IAIA14,9440.0%–

65Clay County, IAIA16,2020.0%–

66Madison County, IAIA17,2700.0%–

67Webster County, IAIA36,8380.0%–

68Woodbury County, IAIA106,6490.0%–

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