RANKING · 2020 CENSUS · 96 SHOWN OF 96

Highest French Canadian population share, Iowa counties · 2020

Iowa counties ranked by the share of all residents who are French Canadian ancestry (2020 American Community Survey). A concentration measure: French Canadian residents as a percentage of total population. This list covers the 96 counties in Iowa that qualify, ranked against each other statewide.

French Canadian Americans: full group profile →

IowaAll states All rankings

SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPFRENCH CANADIAN SHAREVS 2010

01Monona County, IAIA8,5391.7%+1.3 pts

02Van Buren County, IAIA7,1311.0%+0.9 pts

03Osceola County, IAIA5,9800.7%+0.6 pts

04Winnebago County, IAIA10,2510.7%+0.5 pts

05Pocahontas County, IAIA6,8190.7%+0.5 pts

06Guthrie County, IAIA10,7820.6%+0.2 pts

07Henry County, IAIA19,3490.6%−0.6 pts

08Fremont County, IAIA6,5220.5%+0.2 pts

09Woodbury County, IAIA106,6490.5%−0.5 pts

10Allamakee County, IAIA14,2380.5%+0.3 pts

11Emmet County, IAIA9,1070.4%+0.0 pts

12Clay County, IAIA16,2020.4%+0.1 pts

13Johnson County, IAIA160,0440.4%+0.1 pts

14Dickinson County, IAIA18,0770.4%−0.3 pts

15Des Moines County, IAIA38,0770.4%+0.2 pts

16Jones County, IAIA21,2530.4%+0.3 pts

17Wapello County, IAIA35,2100.4%+0.1 pts

18Dallas County, IAIA118,4570.4%+0.1 pts

19Page County, IAIA14,8560.4%+0.2 pts

20Benton County, IAIA26,0040.4%−0.2 pts

21Dubuque County, IAIA99,3810.4%−0.1 pts

22Clarke County, IAIA9,5740.4%+0.2 pts

23Harrison County, IAIA14,6230.3%+0.0 pts

24Taylor County, IAIA5,8350.3%+0.3 pts

25Clinton County, IAIA46,0020.3%−0.2 pts

26Iowa County, IAIA16,5040.3%−0.1 pts

27Sioux County, IAIA36,7740.3%−0.0 pts

28Story County, IAIA101,2910.3%+0.0 pts

29Shelby County, IAIA11,6890.3%−0.0 pts

30Pottawattamie County, IAIA92,9960.3%−0.1 pts

31Appanoose County, IAIA12,0770.2%–

32Cerro Gordo County, IAIA42,3720.2%+0.1 pts

33Mahaska County, IAIA21,8800.2%−0.1 pts

34Black Hawk County, IAIA131,5320.2%−0.1 pts

35Polk County, IAIA516,5460.2%+0.0 pts

36Clayton County, IAIA16,8450.2%−0.2 pts

37Kossuth County, IAIA14,3220.2%−0.1 pts

38Plymouth County, IAIA25,6970.2%−0.2 pts

39Tama County, IAIA16,7960.2%−0.2 pts

40Linn County, IAIA232,0280.2%−0.1 pts

41Butler County, IAIA14,0490.2%+0.1 pts

42Poweshiek County, IAIA18,3680.2%−0.2 pts

43Cedar County, IAIA18,3590.2%+0.0 pts

44Floyd County, IAIA14,9010.2%−0.1 pts

45Calhoun County, IAIA9,5620.2%−0.1 pts

46Jackson County, IAIA19,2880.2%+0.1 pts

47Hancock County, IAIA10,5280.2%+0.1 pts

48Wayne County, IAIA6,7380.2%−0.0 pts

49Worth County, IAIA7,3380.2%−0.0 pts

50Buena Vista County, IAIA20,4490.2%−0.0 pts

51Fayette County, IAIA19,0470.2%−0.1 pts

52Ringgold County, IAIA4,6420.2%–

53Cass County, IAIA12,9600.2%−0.3 pts

54Bremer County, IAIA25,2960.2%−0.5 pts

55Boone County, IAIA26,7990.2%−0.5 pts

56Warren County, IAIA57,3310.2%+0.0 pts

57Chickasaw County, IAIA11,6630.2%+0.0 pts

58Scott County, IAIA175,2590.2%−0.2 pts

59Adair County, IAIA7,4030.2%−0.3 pts

60Grundy County, IAIA12,3610.1%−0.1 pts

61Mills County, IAIA14,7930.1%−0.2 pts

62Greene County, IAIA8,6580.1%−0.2 pts

63Washington County, IAIA22,6670.1%−0.0 pts

64Sac County, IAIA9,5250.1%−0.0 pts

65Delaware County, IAIA17,6740.1%−0.4 pts

66Humboldt County, IAIA9,4090.1%−0.6 pts

67Hardin County, IAIA16,4550.1%−0.5 pts

68Wright County, IAIA12,8010.1%−0.0 pts

69Ida County, IAIA6,7770.1%−0.3 pts

70Keokuk County, IAIA9,7970.1%−0.6 pts

71Decatur County, IAIA7,6550.1%−0.2 pts

72Franklin County, IAIA9,8680.1%–

73Madison County, IAIA17,2700.1%+0.0 pts

74Muscatine County, IAIA41,8530.1%−0.1 pts

75Lee County, IAIA32,3060.1%−0.5 pts

76O'Brien County, IAIA14,2200.1%−0.4 pts

77Howard County, IAIA9,4150.1%−1.5 pts

78Marshall County, IAIA39,8900.1%−0.1 pts

79Webster County, IAIA36,8380.1%−0.2 pts

80Lucas County, IAIA8,8470.1%−0.4 pts

81Winneshiek County, IAIA19,7330.1%−0.3 pts

82Union County, IAIA11,8290.1%−0.5 pts

83Carroll County, IAIA20,3030.1%–

84Mitchell County, IAIA10,6500.1%−0.2 pts

85Crawford County, IAIA16,2370.1%−0.3 pts

86Jefferson County, IAIA15,2910.1%−0.4 pts

87Hamilton County, IAIA14,9440.1%+0.0 pts

88Palo Alto County, IAIA8,8990.1%−0.0 pts

89Audubon County, IAIA5,5090.1%−0.9 pts

90Jasper County, IAIA38,1530.1%−0.2 pts

91Lyon County, IAIA12,3540.1%−0.3 pts

92Montgomery County, IAIA10,0020.0%−0.5 pts

93Adams County, IAIA3,6170.0%–

94Buchanan County, IAIA20,8830.0%−0.2 pts

95Cherokee County, IAIA11,3690.0%−0.6 pts

96Louisa County, IAIA10,4160.0%−0.2 pts

SHOWING 1–96 OF 96

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS