RANKING · 2010 CENSUS · 72 SHOWN OF 72

Largest Finnish population, Iowa counties · 2010

Iowa counties ranked by the number of residents who are Finnish ancestry, from the 2023 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 72 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

RANKPLACESTATEPOPFINNISH POPULATIONVS 2000

01Polk County, IAIA516,546469–

02Linn County, IAIA232,028246–

03Johnson County, IAIA160,044170–

04Black Hawk County, IAIA131,532161–

05Dallas County, IAIA118,457150–

06Muscatine County, IAIA41,853147–

07Winneshiek County, IAIA19,733120–

08Scott County, IAIA175,259106–

09Clinton County, IAIA46,00289–

10Woodbury County, IAIA106,64986–

11Cerro Gordo County, IAIA42,37285–

12Story County, IAIA101,29179–

13Dubuque County, IAIA99,38178–

14Warren County, IAIA57,33176–

15Pottawattamie County, IAIA92,99649–

16Jasper County, IAIA38,15342–

17Buena Vista County, IAIA20,44940–

18Webster County, IAIA36,83838–

19Floyd County, IAIA14,90133–

20Sioux County, IAIA36,77433–

21Cedar County, IAIA18,35932–

22Appanoose County, IAIA12,07731–

23Wayne County, IAIA6,73831–

24Crawford County, IAIA16,23730–

25Poweshiek County, IAIA18,36829–

26Jefferson County, IAIA15,29128–

27Lyon County, IAIA12,35427–

28Marshall County, IAIA39,89027–

29Sac County, IAIA9,52526–

30Winnebago County, IAIA10,25126–

31Benton County, IAIA26,00422–

32Lee County, IAIA32,30622–

33Clayton County, IAIA16,84520–

34Mahaska County, IAIA21,88020–

35Mitchell County, IAIA10,65020–

36Plymouth County, IAIA25,69720–

37Buchanan County, IAIA20,88318–

38Dickinson County, IAIA18,07718–

39Van Buren County, IAIA7,13118–

40Jackson County, IAIA19,28817–

41Boone County, IAIA26,79916–

42Clay County, IAIA16,20216–

43Fayette County, IAIA19,04715–

44Monroe County, IAIA7,40614–

45Palo Alto County, IAIA8,89913–

46Adair County, IAIA7,40312–

47Clarke County, IAIA9,57412–

48Hardin County, IAIA16,45512–

49Howard County, IAIA9,41512–

50Ida County, IAIA6,77712–

51Des Moines County, IAIA38,07711–

52Kossuth County, IAIA14,32211–

53Marion County, IAIA34,19211–

54Carroll County, IAIA20,30310–

55Monona County, IAIA8,53910–

56Louisa County, IAIA10,4169–

57Allamakee County, IAIA14,2387–

58Fremont County, IAIA6,5227–

59Madison County, IAIA17,2706–

60Mills County, IAIA14,7936–

61Worth County, IAIA7,3386–

62Hamilton County, IAIA14,9445–

63Butler County, IAIA14,0494–

64Grundy County, IAIA12,3614–

65Harrison County, IAIA14,6234–

66Page County, IAIA14,8564–

67Chickasaw County, IAIA11,6633–

68Greene County, IAIA8,6583–

69Wright County, IAIA12,8013–

70Cherokee County, IAIA11,3692–

71Emmet County, IAIA9,1072–

72Henry County, IAIA19,3492–

SHOWING 1–72 OF 72

Download CSV (full list, 72 rows)

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