RANKING · 2024 ACS · 90 SHOWN OF 90

Highest French Canadian population share, Iowa counties

Iowa counties ranked by the share of all residents who are French Canadian ancestry (2024 American Community Survey). A concentration measure: French Canadian residents as a percentage of total population. This list covers the 90 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

01Audubon County, IAIA5,5090.9%+0.0 pts

02Van Buren County, IAIA7,1310.9%+0.8 pts

03Monona County, IAIA8,5390.8%+0.4 pts

04Bremer County, IAIA25,2960.7%+0.0 pts

05Osceola County, IAIA5,9800.7%+0.5 pts

06Jones County, IAIA21,2530.7%+0.5 pts

07Page County, IAIA14,8560.6%+0.4 pts

08Henry County, IAIA19,3490.6%−0.7 pts

09Jefferson County, IAIA15,2910.4%−0.0 pts

10Johnson County, IAIA160,0440.4%+0.0 pts

11Palo Alto County, IAIA8,8990.4%+0.3 pts

12Delaware County, IAIA17,6740.4%−0.2 pts

13Fremont County, IAIA6,5220.4%+0.1 pts

14Sioux County, IAIA36,7740.3%+0.0 pts

15Woodbury County, IAIA106,6490.3%−0.7 pts

16Muscatine County, IAIA41,8530.3%+0.0 pts

17Guthrie County, IAIA10,7820.3%−0.1 pts

18Allamakee County, IAIA14,2380.3%+0.1 pts

19Hancock County, IAIA10,5280.3%+0.1 pts

20Winneshiek County, IAIA19,7330.3%−0.2 pts

21Mills County, IAIA14,7930.2%−0.1 pts

22Clarke County, IAIA9,5740.2%+0.0 pts

23Winnebago County, IAIA10,2510.2%+0.1 pts

24Scott County, IAIA175,2590.2%−0.1 pts

25Appanoose County, IAIA12,0770.2%–

26Chickasaw County, IAIA11,6630.2%+0.1 pts

27Black Hawk County, IAIA131,5320.2%−0.1 pts

28Cedar County, IAIA18,3590.2%+0.0 pts

29Ida County, IAIA6,7770.2%−0.2 pts

30O'Brien County, IAIA14,2200.2%−0.3 pts

31Buchanan County, IAIA20,8830.2%−0.1 pts

32Dubuque County, IAIA99,3810.2%−0.3 pts

33Polk County, IAIA516,5460.2%−0.1 pts

34Clayton County, IAIA16,8450.2%−0.2 pts

35Pottawattamie County, IAIA92,9960.2%−0.2 pts

36Union County, IAIA11,8290.2%−0.4 pts

37Greene County, IAIA8,6580.2%−0.1 pts

38Carroll County, IAIA20,3030.2%–

39Linn County, IAIA232,0280.2%−0.2 pts

40Montgomery County, IAIA10,0020.2%−0.4 pts

41Washington County, IAIA22,6670.2%−0.0 pts

42Marion County, IAIA34,1920.2%−0.1 pts

43Crawford County, IAIA16,2370.1%−0.2 pts

44Clinton County, IAIA46,0020.1%−0.3 pts

45Clay County, IAIA16,2020.1%−0.2 pts

46Fayette County, IAIA19,0470.1%−0.1 pts

47Madison County, IAIA17,2700.1%+0.1 pts

48Harrison County, IAIA14,6230.1%−0.2 pts

49Howard County, IAIA9,4150.1%−1.5 pts

50Wright County, IAIA12,8010.1%−0.0 pts

51Dickinson County, IAIA18,0770.1%−0.5 pts

52Cass County, IAIA12,9600.1%−0.3 pts

53Poweshiek County, IAIA18,3680.1%−0.3 pts

54Boone County, IAIA26,7990.1%−0.6 pts

55Warren County, IAIA57,3310.1%−0.0 pts

56Wapello County, IAIA35,2100.1%−0.1 pts

57Decatur County, IAIA7,6550.1%−0.2 pts

58Keokuk County, IAIA9,7970.1%−0.6 pts

59Story County, IAIA101,2910.1%−0.1 pts

60Wayne County, IAIA6,7380.1%−0.1 pts

61Calhoun County, IAIA9,5620.1%−0.2 pts

62Jasper County, IAIA38,1530.1%−0.1 pts

63Taylor County, IAIA5,8350.1%+0.0 pts

64Shelby County, IAIA11,6890.1%−0.2 pts

65Dallas County, IAIA118,4570.1%−0.2 pts

66Louisa County, IAIA10,4160.1%−0.2 pts

67Tama County, IAIA16,7960.1%−0.3 pts

68Des Moines County, IAIA38,0770.1%−0.1 pts

69Benton County, IAIA26,0040.1%−0.5 pts

70Worth County, IAIA7,3380.1%−0.2 pts

71Plymouth County, IAIA25,6970.1%−0.4 pts

72Hardin County, IAIA16,4550.0%−0.6 pts

73Marshall County, IAIA39,8900.0%−0.2 pts

74Lucas County, IAIA8,8470.0%−0.4 pts

75Floyd County, IAIA14,9010.0%−0.3 pts

76Webster County, IAIA36,8380.0%−0.2 pts

77Buena Vista County, IAIA20,4490.0%−0.2 pts

78Mahaska County, IAIA21,8800.0%−0.3 pts

79Cerro Gordo County, IAIA42,3720.0%−0.1 pts

80Lee County, IAIA32,3060.0%−0.6 pts

81Mitchell County, IAIA10,6500.0%−0.2 pts

82Cherokee County, IAIA11,3690.0%−0.6 pts

83Lyon County, IAIA12,3540.0%−0.4 pts

84Jackson County, IAIA19,2880.0%−0.0 pts

85Iowa County, IAIA16,5040.0%−0.4 pts

86Grundy County, IAIA12,3610.0%−0.2 pts

87Butler County, IAIA14,0490.0%−0.1 pts

88Kossuth County, IAIA14,3220.0%−0.3 pts

89Sac County, IAIA9,5250.0%−0.2 pts

90Franklin County, IAIA9,8680.0%–

SHOWING 1–90 OF 90

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES