RANKING · 2020 CENSUS · 99 SHOWN OF 99

Highest French population share, Iowa counties · 2020

Iowa counties ranked by the share of all residents who are French ancestry (2020 American Community Survey). A concentration measure: French residents as a percentage of total population. This list covers the 99 counties in Iowa that qualify, ranked against each other statewide.

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IowaAll states All rankings

SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPFRENCH SHAREVS 2010

01Monona County, IAIA8,5393.6%+0.5 pts

02Lucas County, IAIA8,8473.2%−0.7 pts

03Monroe County, IAIA7,4063.2%+0.2 pts

04Wright County, IAIA12,8013.1%−1.1 pts

05Dickinson County, IAIA18,0772.8%+0.0 pts

06Greene County, IAIA8,6582.7%+0.4 pts

07Osceola County, IAIA5,9802.7%+0.0 pts

08Mills County, IAIA14,7932.6%−1.3 pts

09Washington County, IAIA22,6672.5%+0.3 pts

10Benton County, IAIA26,0042.5%+0.4 pts

11Adams County, IAIA3,6172.5%−1.8 pts

12Jones County, IAIA21,2532.5%−1.4 pts

13Lee County, IAIA32,3062.5%−0.0 pts

14Jasper County, IAIA38,1532.4%−0.1 pts

15Appanoose County, IAIA12,0772.4%−0.8 pts

16Palo Alto County, IAIA8,8992.3%+0.3 pts

17Clay County, IAIA16,2022.3%+0.0 pts

18Linn County, IAIA232,0282.3%−1.0 pts

19Keokuk County, IAIA9,7972.2%−1.1 pts

20O'Brien County, IAIA14,2202.2%−0.2 pts

21Clinton County, IAIA46,0022.2%−1.1 pts

22Pocahontas County, IAIA6,8192.2%−1.5 pts

23Warren County, IAIA57,3312.2%−1.5 pts

24Woodbury County, IAIA106,6492.2%−1.6 pts

25Mitchell County, IAIA10,6502.1%+0.2 pts

26Fayette County, IAIA19,0472.1%−0.5 pts

27Harrison County, IAIA14,6232.1%−0.7 pts

28Marion County, IAIA34,1922.1%−0.5 pts

29Henry County, IAIA19,3492.1%−1.0 pts

30Fremont County, IAIA6,5222.1%−0.9 pts

31Hamilton County, IAIA14,9442.1%−1.3 pts

32Davis County, IAIA9,2302.0%−0.0 pts

33Des Moines County, IAIA38,0772.0%−1.7 pts

34Calhoun County, IAIA9,5622.0%−0.3 pts

35Van Buren County, IAIA7,1312.0%−0.4 pts

36Kossuth County, IAIA14,3222.0%+0.1 pts

37Hancock County, IAIA10,5282.0%−0.2 pts

38Franklin County, IAIA9,8681.9%−0.3 pts

39Floyd County, IAIA14,9011.9%−0.7 pts

40Bremer County, IAIA25,2961.9%−0.2 pts

41Shelby County, IAIA11,6891.9%−0.3 pts

42Dubuque County, IAIA99,3811.8%−1.1 pts

43Chickasaw County, IAIA11,6631.8%+0.6 pts

44Decatur County, IAIA7,6551.8%−1.8 pts

45Johnson County, IAIA160,0441.8%−0.9 pts

46Montgomery County, IAIA10,0021.8%−0.4 pts

47Dallas County, IAIA118,4571.8%−0.9 pts

48Cerro Gordo County, IAIA42,3721.8%−1.1 pts

49Allamakee County, IAIA14,2381.8%−0.3 pts

50Webster County, IAIA36,8381.7%−1.0 pts

51Sioux County, IAIA36,7741.7%+0.5 pts

52Jefferson County, IAIA15,2911.7%−1.8 pts

53Black Hawk County, IAIA131,5321.7%−0.8 pts

54Poweshiek County, IAIA18,3681.7%−1.7 pts

55Story County, IAIA101,2911.7%−1.3 pts

56Union County, IAIA11,8291.7%−0.6 pts

57Clayton County, IAIA16,8451.7%−1.0 pts

58Boone County, IAIA26,7991.7%−1.4 pts

59Audubon County, IAIA5,5091.7%+0.6 pts

60Pottawattamie County, IAIA92,9961.7%−1.6 pts

61Sac County, IAIA9,5251.7%−0.9 pts

62Mahaska County, IAIA21,8801.7%−1.7 pts

63Taylor County, IAIA5,8351.6%−0.9 pts

64Buchanan County, IAIA20,8831.6%−0.8 pts

65Polk County, IAIA516,5461.6%−0.9 pts

66Clarke County, IAIA9,5741.6%−1.9 pts

67Iowa County, IAIA16,5041.6%−1.0 pts

68Winneshiek County, IAIA19,7331.6%−0.6 pts

69Scott County, IAIA175,2591.5%−1.1 pts

70Hardin County, IAIA16,4551.5%−0.6 pts

71Cass County, IAIA12,9601.5%−0.5 pts

72Marshall County, IAIA39,8901.5%−1.2 pts

73Madison County, IAIA17,2701.4%−1.0 pts

74Howard County, IAIA9,4151.4%−0.1 pts

75Delaware County, IAIA17,6741.4%−0.8 pts

76Cedar County, IAIA18,3591.4%−0.3 pts

77Cherokee County, IAIA11,3691.4%−1.2 pts

78Page County, IAIA14,8561.3%−1.2 pts

79Wayne County, IAIA6,7381.3%−1.3 pts

80Plymouth County, IAIA25,6971.3%−1.6 pts

81Wapello County, IAIA35,2101.3%−1.3 pts

82Worth County, IAIA7,3381.2%−1.2 pts

83Louisa County, IAIA10,4161.2%−0.7 pts

84Humboldt County, IAIA9,4091.2%−1.0 pts

85Butler County, IAIA14,0491.2%−0.6 pts

86Guthrie County, IAIA10,7821.2%−1.4 pts

87Jackson County, IAIA19,2881.2%−0.4 pts

88Emmet County, IAIA9,1071.2%−1.6 pts

89Buena Vista County, IAIA20,4491.2%−0.9 pts

90Grundy County, IAIA12,3611.1%−0.8 pts

91Tama County, IAIA16,7961.1%−0.5 pts

92Ida County, IAIA6,7771.1%−0.9 pts

93Muscatine County, IAIA41,8531.0%−1.6 pts

94Adair County, IAIA7,4031.0%−1.3 pts

95Lyon County, IAIA12,3540.9%−0.6 pts

96Crawford County, IAIA16,2370.9%−0.5 pts

97Winnebago County, IAIA10,2510.7%−1.2 pts

98Ringgold County, IAIA4,6420.7%−1.4 pts

99Carroll County, IAIA20,3030.5%−1.4 pts

SHOWING 1–99 OF 99

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