RANKING · 2010 CENSUS · 94 SHOWN OF 94

Largest French Canadian population, Iowa counties · 2010

Iowa counties ranked by the number of residents who are French Canadian 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 94 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

RANKPLACESTATEPOPFRENCH CANADIAN POPULATIONVS 2000

01Woodbury County, IAIA106,6491,004–

02Polk County, IAIA516,546974–

03Linn County, IAIA232,028692–

04Scott County, IAIA175,259522–

05Johnson County, IAIA160,044435–

06Dubuque County, IAIA99,381413–

07Black Hawk County, IAIA131,532398–

08Pottawattamie County, IAIA92,996370–

09Henry County, IAIA19,349247–

10Clinton County, IAIA46,002229–

11Lee County, IAIA32,306221–

12Story County, IAIA101,291210–

13Dallas County, IAIA118,457187–

14Boone County, IAIA26,799176–

15Benton County, IAIA26,004157–

16Bremer County, IAIA25,296154–

17Howard County, IAIA9,415154–

18Plymouth County, IAIA25,697117–

19Sioux County, IAIA36,774109–

20Dickinson County, IAIA18,077108–

21Hardin County, IAIA16,455106–

22Muscatine County, IAIA41,853101–

23Webster County, IAIA36,838101–

24Delaware County, IAIA17,67492–

25Wapello County, IAIA35,21089–

26Winneshiek County, IAIA19,73387–

27Jasper County, IAIA38,15384–

28Marshall County, IAIA39,89084–

29Jefferson County, IAIA15,29180–

30Keokuk County, IAIA9,79775–

31Poweshiek County, IAIA18,36875–

32Clayton County, IAIA16,84574–

33Mahaska County, IAIA21,88074–

34Marion County, IAIA34,19274–

35O'Brien County, IAIA14,22074–

36Cherokee County, IAIA11,36971–

37Tama County, IAIA16,79671–

38Iowa County, IAIA16,50470–

39Union County, IAIA11,82970–

40Cerro Gordo County, IAIA42,37269–

41Humboldt County, IAIA9,40969–

42Des Moines County, IAIA38,07766–

43Cass County, IAIA12,96063–

44Buchanan County, IAIA20,88357–

45Warren County, IAIA57,33157–

46Audubon County, IAIA5,50956–

47Crawford County, IAIA16,23756–

48Montgomery County, IAIA10,00256–

49Fayette County, IAIA19,04754–

50Clay County, IAIA16,20253–

51Floyd County, IAIA14,90153–

52Mills County, IAIA14,79348–

53Harrison County, IAIA14,62347–

54Lyon County, IAIA12,35446–

55Buena Vista County, IAIA20,44944–

56Emmet County, IAIA9,10744–

57Guthrie County, IAIA10,78244–

58Kossuth County, IAIA14,32244–

59Lucas County, IAIA8,84741–

60Washington County, IAIA22,66740–

61Shelby County, IAIA11,68938–

62Cedar County, IAIA18,35933–

63Page County, IAIA14,85633–

64Adair County, IAIA7,40332–

65Calhoun County, IAIA9,56232–

66Grundy County, IAIA12,36131–

67Monona County, IAIA8,53931–

68Decatur County, IAIA7,65530–

69Greene County, IAIA8,65829–

70Ida County, IAIA6,77729–

71Louisa County, IAIA10,41628–

72Allamakee County, IAIA14,23826–

73Davis County, IAIA9,23025–

74Mitchell County, IAIA10,65024–

75Butler County, IAIA14,04921–

76Fremont County, IAIA6,52221–

77Jones County, IAIA21,25321–

78Chickasaw County, IAIA11,66319–

79Sac County, IAIA9,52519–

80Wright County, IAIA12,80119–

81Clarke County, IAIA9,57417–

82Worth County, IAIA7,33817–

83Hancock County, IAIA10,52816–

84Wayne County, IAIA6,73814–

85Winnebago County, IAIA10,25114–

86Jackson County, IAIA19,28812–

87Madison County, IAIA17,27012–

88Pocahontas County, IAIA6,81910–

89Hamilton County, IAIA14,9449–

90Monroe County, IAIA7,4068–

91Palo Alto County, IAIA8,8998–

92Osceola County, IAIA5,9807–

93Van Buren County, IAIA7,1317–

94Taylor County, IAIA5,8354–

SHOWING 1–94 OF 94

Download CSV (full list, 94 rows)

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