RANKING · 2020 CENSUS · 99 SHOWN OF 99

Largest French population, Iowa counties · 2020

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, IAIA516,5467,803–

02Linn County, IAIA232,0285,107–

03Johnson County, IAIA160,0442,744–

04Scott County, IAIA175,2592,670–

05Black Hawk County, IAIA131,5322,258–

06Woodbury County, IAIA106,6492,214–

07Dubuque County, IAIA99,3811,797–

08Story County, IAIA101,2911,664–

09Dallas County, IAIA118,4571,615–

10Pottawattamie County, IAIA92,9961,553–

11Warren County, IAIA57,3311,103–

12Clinton County, IAIA46,0021,015–

13Jasper County, IAIA38,153901–

14Lee County, IAIA32,306832–

15Des Moines County, IAIA38,077793–

16Cerro Gordo County, IAIA42,372760–

17Marion County, IAIA34,192697–

18Benton County, IAIA26,004644–

19Webster County, IAIA36,838636–

20Sioux County, IAIA36,774607–

21Marshall County, IAIA39,890597–

22Washington County, IAIA22,667559–

23Jones County, IAIA21,253510–

24Dickinson County, IAIA18,077477–

25Bremer County, IAIA25,296471–

26Wapello County, IAIA35,210443–

27Boone County, IAIA26,799442–

28Muscatine County, IAIA41,853434–

29Henry County, IAIA19,349416–

30Fayette County, IAIA19,047414–

31Wright County, IAIA12,801392–

32Mills County, IAIA14,793390–

33Clay County, IAIA16,202375–

34Mahaska County, IAIA21,880369–

35Buchanan County, IAIA20,883340–

36Plymouth County, IAIA25,697319–

37Poweshiek County, IAIA18,368315–

38Winneshiek County, IAIA19,733312–

39Jefferson County, IAIA15,291311–

40Hamilton County, IAIA14,944310–

41Monona County, IAIA8,539309–

42O'Brien County, IAIA14,220307–

43Floyd County, IAIA14,901303–

44Clayton County, IAIA16,845296–

45Appanoose County, IAIA12,077295–

46Harrison County, IAIA14,623295–

47Kossuth County, IAIA14,322295–

48Lucas County, IAIA8,847275–

49Cedar County, IAIA18,359261–

50Hardin County, IAIA16,455256–

51Iowa County, IAIA16,504253–

52Monroe County, IAIA7,406248–

53Allamakee County, IAIA14,238245–

54Delaware County, IAIA17,674242–

55Greene County, IAIA8,658239–

56Madison County, IAIA17,270234–

57Jackson County, IAIA19,288233–

58Buena Vista County, IAIA20,449231–

59Keokuk County, IAIA9,797228–

60Mitchell County, IAIA10,650225–

61Chickasaw County, IAIA11,663221–

62Shelby County, IAIA11,689217–

63Hancock County, IAIA10,528211–

64Palo Alto County, IAIA8,899210–

65Union County, IAIA11,829208–

66Page County, IAIA14,856202–

67Cass County, IAIA12,960196–

68Franklin County, IAIA9,868196–

69Calhoun County, IAIA9,562193–

70Tama County, IAIA16,796188–

71Davis County, IAIA9,230184–

72Montgomery County, IAIA10,002182–

73Butler County, IAIA14,049178–

74Osceola County, IAIA5,980161–

75Sac County, IAIA9,525161–

76Cherokee County, IAIA11,369158–

77Clarke County, IAIA9,574149–

78Pocahontas County, IAIA6,819146–

79Decatur County, IAIA7,655145–

80Crawford County, IAIA16,237145–

81Fremont County, IAIA6,522144–

82Van Buren County, IAIA7,131141–

83Grundy County, IAIA12,361138–

84Louisa County, IAIA10,416137–

85Guthrie County, IAIA10,782131–

86Howard County, IAIA9,415131–

87Humboldt County, IAIA9,409117–

88Emmet County, IAIA9,107110–

89Lyon County, IAIA12,354110–

90Taylor County, IAIA5,835101–

91Audubon County, IAIA5,50992–

92Worth County, IAIA7,33892–

93Adams County, IAIA3,61791–

94Carroll County, IAIA20,30391–

95Wayne County, IAIA6,73885–

96Winnebago County, IAIA10,25178–

97Ida County, IAIA6,77774–

98Adair County, IAIA7,40368–

99Ringgold County, IAIA4,64234–

SHOWING 1–99 OF 99

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