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 (2023 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.

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 SHAREVS 2000

01Audubon County, IAIA5,5090.9%–

02Van Buren County, IAIA7,1310.9%–

03Monona County, IAIA8,5390.8%–

04Bremer County, IAIA25,2960.7%–

05Osceola County, IAIA5,9800.7%–

06Jones County, IAIA21,2530.7%–

07Page County, IAIA14,8560.6%–

08Henry County, IAIA19,3490.6%–

09Jefferson County, IAIA15,2910.4%–

10Johnson County, IAIA160,0440.4%–

11Palo Alto County, IAIA8,8990.4%–

12Delaware County, IAIA17,6740.4%–

13Fremont County, IAIA6,5220.4%–

14Sioux County, IAIA36,7740.3%–

15Woodbury County, IAIA106,6490.3%–

16Muscatine County, IAIA41,8530.3%–

17Guthrie County, IAIA10,7820.3%–

18Allamakee County, IAIA14,2380.3%–

19Hancock County, IAIA10,5280.3%–

20Winneshiek County, IAIA19,7330.3%–

21Mills County, IAIA14,7930.2%–

22Clarke County, IAIA9,5740.2%–

23Winnebago County, IAIA10,2510.2%–

24Scott County, IAIA175,2590.2%–

25Appanoose County, IAIA12,0770.2%–

26Chickasaw County, IAIA11,6630.2%–

27Black Hawk County, IAIA131,5320.2%–

28Cedar County, IAIA18,3590.2%–

29Ida County, IAIA6,7770.2%–

30O'Brien County, IAIA14,2200.2%–

31Buchanan County, IAIA20,8830.2%–

32Dubuque County, IAIA99,3810.2%–

33Polk County, IAIA516,5460.2%–

34Clayton County, IAIA16,8450.2%–

35Pottawattamie County, IAIA92,9960.2%–

36Union County, IAIA11,8290.2%–

37Greene County, IAIA8,6580.2%–

38Carroll County, IAIA20,3030.2%–

39Linn County, IAIA232,0280.2%–

40Montgomery County, IAIA10,0020.2%–

41Washington County, IAIA22,6670.2%–

42Marion County, IAIA34,1920.2%–

43Crawford County, IAIA16,2370.1%–

44Clinton County, IAIA46,0020.1%–

45Clay County, IAIA16,2020.1%–

46Fayette County, IAIA19,0470.1%–

47Madison County, IAIA17,2700.1%–

48Harrison County, IAIA14,6230.1%–

49Howard County, IAIA9,4150.1%–

50Wright County, IAIA12,8010.1%–

51Dickinson County, IAIA18,0770.1%–

52Cass County, IAIA12,9600.1%–

53Poweshiek County, IAIA18,3680.1%–

54Boone County, IAIA26,7990.1%–

55Warren County, IAIA57,3310.1%–

56Wapello County, IAIA35,2100.1%–

57Decatur County, IAIA7,6550.1%–

58Keokuk County, IAIA9,7970.1%–

59Story County, IAIA101,2910.1%–

60Wayne County, IAIA6,7380.1%–

61Calhoun County, IAIA9,5620.1%–

62Jasper County, IAIA38,1530.1%–

63Taylor County, IAIA5,8350.1%–

64Shelby County, IAIA11,6890.1%–

65Dallas County, IAIA118,4570.1%–

66Louisa County, IAIA10,4160.1%–

67Tama County, IAIA16,7960.1%–

68Des Moines County, IAIA38,0770.1%–

69Benton County, IAIA26,0040.1%–

70Worth County, IAIA7,3380.1%–

71Plymouth County, IAIA25,6970.1%–

72Hardin County, IAIA16,4550.0%–

73Marshall County, IAIA39,8900.0%–

74Lucas County, IAIA8,8470.0%–

75Floyd County, IAIA14,9010.0%–

76Webster County, IAIA36,8380.0%–

77Buena Vista County, IAIA20,4490.0%–

78Mahaska County, IAIA21,8800.0%–

79Cerro Gordo County, IAIA42,3720.0%–

80Lee County, IAIA32,3060.0%–

81Mitchell County, IAIA10,6500.0%–

82Cherokee County, IAIA11,3690.0%–

83Lyon County, IAIA12,3540.0%–

84Jackson County, IAIA19,2880.0%–

85Iowa County, IAIA16,5040.0%–

86Grundy County, IAIA12,3610.0%–

87Butler County, IAIA14,0490.0%–

88Kossuth County, IAIA14,3220.0%–

89Sac County, IAIA9,5250.0%–

90Franklin County, IAIA9,8680.0%–

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