RANKING · 2010 CENSUS · 99 SHOWN OF 99

Largest French population, Iowa counties · 2010

Iowa counties ranked by the number of residents who are French ancestry, from the 2023 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. 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 POPULATIONVS 2000

01Polk County, IAIA516,54610,382–

02Linn County, IAIA232,0286,776–

03Scott County, IAIA175,2594,283–

04Woodbury County, IAIA106,6493,783–

05Johnson County, IAIA160,0443,503–

06Black Hawk County, IAIA131,5323,311–

07Pottawattamie County, IAIA92,9963,040–

08Dubuque County, IAIA99,3812,744–

09Story County, IAIA101,2912,617–

10Warren County, IAIA57,3311,673–

11Dallas County, IAIA118,4571,640–

12Clinton County, IAIA46,0021,616–

13Des Moines County, IAIA38,0771,505–

14Cerro Gordo County, IAIA42,3721,276–

15Muscatine County, IAIA41,8531,109–

16Marshall County, IAIA39,8901,065–

17Webster County, IAIA36,8381,034–

18Jasper County, IAIA38,153955–

19Wapello County, IAIA35,210898–

20Lee County, IAIA32,306896–

21Marion County, IAIA34,192867–

22Boone County, IAIA26,799816–

23Jones County, IAIA21,253799–

24Mahaska County, IAIA21,880759–

25Plymouth County, IAIA25,697713–

26Poweshiek County, IAIA18,368642–

27Henry County, IAIA19,349631–

28Jefferson County, IAIA15,291590–

29Mills County, IAIA14,793588–

30Wright County, IAIA12,801557–

31Benton County, IAIA26,004555–

32Fayette County, IAIA19,047540–

33Hamilton County, IAIA14,944538–

34Buchanan County, IAIA20,883512–

35Clayton County, IAIA16,845495–

36Bremer County, IAIA25,296493–

37Washington County, IAIA22,667487–

38Dickinson County, IAIA18,077458–

39Winneshiek County, IAIA19,733449–

40Floyd County, IAIA14,901424–

41Iowa County, IAIA16,504422–

42Harrison County, IAIA14,623418–

43Appanoose County, IAIA12,077415–

44Page County, IAIA14,856412–

45Buena Vista County, IAIA20,449405–

46Delaware County, IAIA17,674404–

47Sioux County, IAIA36,774397–

48Madison County, IAIA17,270385–

49Carroll County, IAIA20,303382–

50Clay County, IAIA16,202382–

51Hardin County, IAIA16,455378–

52Lucas County, IAIA8,847361–

53Keokuk County, IAIA9,797360–

54O'Brien County, IAIA14,220343–

55Clarke County, IAIA9,574325–

56Jackson County, IAIA19,288318–

57Cherokee County, IAIA11,369317–

58Cedar County, IAIA18,359311–

59Decatur County, IAIA7,655306–

60Allamakee County, IAIA14,238305–

61Guthrie County, IAIA10,782294–

62Tama County, IAIA16,796293–

63Kossuth County, IAIA14,322291–

64Monona County, IAIA8,539285–

65Emmet County, IAIA9,107284–

66Union County, IAIA11,829281–

67Butler County, IAIA14,049278–

68Pocahontas County, IAIA6,819277–

69Cass County, IAIA12,960275–

70Sac County, IAIA9,525264–

71Shelby County, IAIA11,689263–

72Hancock County, IAIA10,528248–

73Franklin County, IAIA9,868241–

74Monroe County, IAIA7,406238–

75Montgomery County, IAIA10,002237–

76Crawford County, IAIA16,237235–

77Grundy County, IAIA12,361235–

78Calhoun County, IAIA9,562226–

79Louisa County, IAIA10,416226–

80Fremont County, IAIA6,522224–

81Humboldt County, IAIA9,409220–

82Winnebago County, IAIA10,251217–

83Greene County, IAIA8,658212–

84Mitchell County, IAIA10,650205–

85Palo Alto County, IAIA8,899193–

86Worth County, IAIA7,338184–

87Davis County, IAIA9,230181–

88Van Buren County, IAIA7,131181–

89Adams County, IAIA3,617178–

90Adair County, IAIA7,403176–

91Lyon County, IAIA12,354176–

92Osceola County, IAIA5,980174–

93Wayne County, IAIA6,738168–

94Taylor County, IAIA5,835161–

95Chickasaw County, IAIA11,663152–

96Howard County, IAIA9,415148–

97Ida County, IAIA6,777144–

98Ringgold County, IAIA4,642108–

99Audubon County, IAIA5,50968–

SHOWING 1–99 OF 99

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