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. The median across all 90 is 0.1%. Biggest climber in the top 100 since 2020: Audubon County, IA, up 88 places to #1.

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SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPFRENCH CANADIAN SHAREVS 2010

01▲88Audubon County, IAIA5,5090.9%0.0 pts

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

03▼2Monona County, IAIA8,5390.8%+0.4 pts

04▲50Bremer County, IAIA25,2960.7%0.0 pts

05▼2Osceola County, IAIA5,9800.7%+0.5 pts

06▲10Jones County, IAIA21,2530.7%+0.5 pts

07▲12Page County, IAIA14,8560.6%+0.4 pts

08▼1Henry County, IAIA19,3490.6%−0.7 pts

09▲77Jefferson County, IAIA15,2910.4%0.0 pts

10▲3Johnson County, IAIA160,0440.4%0.0 pts

11▲77Palo Alto County, IAIA8,8990.4%+0.3 pts

12▲53Delaware County, IAIA17,6740.4%−0.2 pts

13▼5Fremont County, IAIA6,5220.4%+0.1 pts

14▲13Sioux County, IAIA36,7740.3%0.0 pts

15▼6Woodbury County, IAIA106,6490.3%−0.7 pts

16▲58Muscatine County, IAIA41,8530.3%0.0 pts

17▼11Guthrie County, IAIA10,7820.3%−0.1 pts

18▼8Allamakee County, IAIA14,2380.3%+0.1 pts

19▲28Hancock County, IAIA10,5280.3%+0.1 pts

20▲61Winneshiek County, IAIA19,7330.3%−0.2 pts

21▲40Mills County, IAIA14,7930.2%−0.1 pts

22Clarke County, IAIA9,5740.2%0.0 pts

23▼19Winnebago County, IAIA10,2510.2%+0.1 pts

24▲34Scott County, IAIA175,2590.2%−0.1 pts

25▲6Appanoose County, IAIA12,0770.2%–

26▲31Chickasaw County, IAIA11,6630.2%+0.1 pts

27▲7Black Hawk County, IAIA131,5320.2%−0.1 pts

28▲15Cedar County, IAIA18,3590.2%0.0 pts

29▲40Ida County, IAIA6,7770.2%−0.2 pts

30▲46O'Brien County, IAIA14,2200.2%−0.3 pts

31▲63Buchanan County, IAIA20,8830.2%−0.1 pts

32▼11Dubuque County, IAIA99,3810.2%−0.3 pts

33▲2Polk County, IAIA516,5460.2%−0.1 pts

34▲2Clayton County, IAIA16,8450.2%−0.2 pts

35▼5Pottawattamie County, IAIA92,9960.2%−0.2 pts

36▲46Union County, IAIA11,8290.2%−0.4 pts

37▲25Greene County, IAIA8,6580.2%−0.1 pts

38▲45Carroll County, IAIA20,3030.2%–

39▲1Linn County, IAIA232,0280.2%−0.2 pts

40▲52Montgomery County, IAIA10,0020.2%−0.4 pts

41▲22Washington County, IAIA22,6670.2%0.0 pts

42Marion County, IAIA34,1920.2%−0.1 pts

43▲42Crawford County, IAIA16,2370.1%−0.2 pts

44▼19Clinton County, IAIA46,0020.1%−0.3 pts

45▼33Clay County, IAIA16,2020.1%−0.2 pts

46▲5Fayette County, IAIA19,0470.1%−0.1 pts

47▲26Madison County, IAIA17,2700.1%+0.1 pts

48▼25Harrison County, IAIA14,6230.1%−0.2 pts

49▲28Howard County, IAIA9,4150.1%−1.5 pts

50▲18Wright County, IAIA12,8010.1%0.0 pts

51▼37Dickinson County, IAIA18,0770.1%−0.5 pts

52▲1Cass County, IAIA12,9600.1%−0.3 pts

53▼11Poweshiek County, IAIA18,3680.1%−0.3 pts

54▲1Boone County, IAIA26,7990.1%−0.6 pts

55▲1Warren County, IAIA57,3310.1%0.0 pts

56▼39Wapello County, IAIA35,2100.1%−0.1 pts

57▲14Decatur County, IAIA7,6550.1%−0.2 pts

58▲12Keokuk County, IAIA9,7970.1%−0.6 pts

59▼31Story County, IAIA101,2910.1%−0.1 pts

60▼12Wayne County, IAIA6,7380.1%−0.1 pts

61▼16Calhoun County, IAIA9,5620.1%−0.2 pts

62▲28Jasper County, IAIA38,1530.1%−0.1 pts

63▼39Taylor County, IAIA5,8350.1%0.0 pts

64▼35Shelby County, IAIA11,6890.1%−0.2 pts

65▼47Dallas County, IAIA118,4570.1%−0.2 pts

66▲30Louisa County, IAIA10,4160.1%−0.2 pts

67▼28Tama County, IAIA16,7960.1%−0.3 pts

68▼53Des Moines County, IAIA38,0770.1%−0.1 pts

69▼49Benton County, IAIA26,0040.1%−0.5 pts

70▼21Worth County, IAIA7,3380.1%−0.2 pts

71▼33Plymouth County, IAIA25,6970.1%−0.4 pts

72▼5Hardin County, IAIA16,4550.0%−0.6 pts

73▲5Marshall County, IAIA39,8900.0%−0.2 pts

74▲6Lucas County, IAIA8,8470.0%−0.4 pts

75▼31Floyd County, IAIA14,9010.0%−0.3 pts

76▲3Webster County, IAIA36,8380.0%−0.2 pts

77▼27Buena Vista County, IAIA20,4490.0%−0.2 pts

78▼45Mahaska County, IAIA21,8800.0%−0.3 pts

79▼47Cerro Gordo County, IAIA42,3720.0%−0.1 pts

80▼5Lee County, IAIA32,3060.0%−0.6 pts

81▲3Mitchell County, IAIA10,6500.0%−0.2 pts

82▲13Cherokee County, IAIA11,3690.0%−0.6 pts

83▲8Lyon County, IAIA12,3540.0%−0.4 pts

84▼38Jackson County, IAIA19,2880.0%0.0 pts

85▼59Iowa County, IAIA16,5040.0%−0.4 pts

86▼26Grundy County, IAIA12,3610.0%−0.2 pts

87▼46Butler County, IAIA14,0490.0%−0.1 pts

88▼51Kossuth County, IAIA14,3220.0%−0.3 pts

89▼25Sac County, IAIA9,5250.0%−0.2 pts

90▼18Franklin County, IAIA9,8680.0%–

SHOWING 1–90 OF 90

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES