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 (2023 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.

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 SHAREVS 2000

01Monona County, IAIA8,5393.6%–

02Lucas County, IAIA8,8473.2%–

03Monroe County, IAIA7,4063.2%–

04Wright County, IAIA12,8013.1%–

05Dickinson County, IAIA18,0772.8%–

06Greene County, IAIA8,6582.7%–

07Osceola County, IAIA5,9802.7%–

08Mills County, IAIA14,7932.6%–

09Washington County, IAIA22,6672.5%–

10Benton County, IAIA26,0042.5%–

11Adams County, IAIA3,6172.5%–

12Jones County, IAIA21,2532.5%–

13Lee County, IAIA32,3062.5%–

14Jasper County, IAIA38,1532.4%–

15Appanoose County, IAIA12,0772.4%–

16Palo Alto County, IAIA8,8992.3%–

17Clay County, IAIA16,2022.3%–

18Linn County, IAIA232,0282.3%–

19Keokuk County, IAIA9,7972.2%–

20O'Brien County, IAIA14,2202.2%–

21Clinton County, IAIA46,0022.2%–

22Pocahontas County, IAIA6,8192.2%–

23Warren County, IAIA57,3312.2%–

24Woodbury County, IAIA106,6492.2%–

25Mitchell County, IAIA10,6502.1%–

26Fayette County, IAIA19,0472.1%–

27Harrison County, IAIA14,6232.1%–

28Marion County, IAIA34,1922.1%–

29Henry County, IAIA19,3492.1%–

30Fremont County, IAIA6,5222.1%–

31Hamilton County, IAIA14,9442.1%–

32Davis County, IAIA9,2302.0%–

33Des Moines County, IAIA38,0772.0%–

34Calhoun County, IAIA9,5622.0%–

35Van Buren County, IAIA7,1312.0%–

36Kossuth County, IAIA14,3222.0%–

37Hancock County, IAIA10,5282.0%–

38Franklin County, IAIA9,8681.9%–

39Floyd County, IAIA14,9011.9%–

40Bremer County, IAIA25,2961.9%–

41Shelby County, IAIA11,6891.9%–

42Dubuque County, IAIA99,3811.8%–

43Chickasaw County, IAIA11,6631.8%–

44Decatur County, IAIA7,6551.8%–

45Johnson County, IAIA160,0441.8%–

46Montgomery County, IAIA10,0021.8%–

47Dallas County, IAIA118,4571.8%–

48Cerro Gordo County, IAIA42,3721.8%–

49Allamakee County, IAIA14,2381.8%–

50Webster County, IAIA36,8381.7%–

51Sioux County, IAIA36,7741.7%–

52Jefferson County, IAIA15,2911.7%–

53Black Hawk County, IAIA131,5321.7%–

54Poweshiek County, IAIA18,3681.7%–

55Story County, IAIA101,2911.7%–

56Union County, IAIA11,8291.7%–

57Clayton County, IAIA16,8451.7%–

58Boone County, IAIA26,7991.7%–

59Audubon County, IAIA5,5091.7%–

60Pottawattamie County, IAIA92,9961.7%–

61Sac County, IAIA9,5251.7%–

62Mahaska County, IAIA21,8801.7%–

63Taylor County, IAIA5,8351.6%–

64Buchanan County, IAIA20,8831.6%–

65Polk County, IAIA516,5461.6%–

66Clarke County, IAIA9,5741.6%–

67Iowa County, IAIA16,5041.6%–

68Winneshiek County, IAIA19,7331.6%–

69Scott County, IAIA175,2591.5%–

70Hardin County, IAIA16,4551.5%–

71Cass County, IAIA12,9601.5%–

72Marshall County, IAIA39,8901.5%–

73Madison County, IAIA17,2701.4%–

74Howard County, IAIA9,4151.4%–

75Delaware County, IAIA17,6741.4%–

76Cedar County, IAIA18,3591.4%–

77Cherokee County, IAIA11,3691.4%–

78Page County, IAIA14,8561.3%–

79Wayne County, IAIA6,7381.3%–

80Plymouth County, IAIA25,6971.3%–

81Wapello County, IAIA35,2101.3%–

82Worth County, IAIA7,3381.2%–

83Louisa County, IAIA10,4161.2%–

84Humboldt County, IAIA9,4091.2%–

85Butler County, IAIA14,0491.2%–

86Guthrie County, IAIA10,7821.2%–

87Jackson County, IAIA19,2881.2%–

88Emmet County, IAIA9,1071.2%–

89Buena Vista County, IAIA20,4491.2%–

90Grundy County, IAIA12,3611.1%–

91Tama County, IAIA16,7961.1%–

92Ida County, IAIA6,7771.1%–

93Muscatine County, IAIA41,8531.0%–

94Adair County, IAIA7,4031.0%–

95Lyon County, IAIA12,3540.9%–

96Crawford County, IAIA16,2370.9%–

97Winnebago County, IAIA10,2510.7%–

98Ringgold County, IAIA4,6420.7%–

99Carroll County, IAIA20,3030.5%–

SHOWING 1–99 OF 99

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