RANKING · 2024 ACS · 99 SHOWN OF 99

Highest Welsh population share, Iowa counties

Iowa counties ranked by the share of all residents who are Welsh ancestry (2023 American Community Survey). A concentration measure: Welsh 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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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

RANKPLACESTATEPOPWELSH SHAREVS 2000

01Louisa County, IAIA10,4161.9%–

02Monroe County, IAIA7,4061.6%–

03Union County, IAIA11,8291.3%–

04Keokuk County, IAIA9,7971.2%–

05Greene County, IAIA8,6581.1%–

06Howard County, IAIA9,4151.1%–

07Marion County, IAIA34,1921.0%–

08Iowa County, IAIA16,5040.9%–

09Page County, IAIA14,8560.9%–

10Wayne County, IAIA6,7380.9%–

11Cass County, IAIA12,9600.9%–

12Poweshiek County, IAIA18,3680.8%–

13Dallas County, IAIA118,4570.8%–

14Adair County, IAIA7,4030.8%–

15Winnebago County, IAIA10,2510.8%–

16Fremont County, IAIA6,5220.8%–

17Warren County, IAIA57,3310.8%–

18Cedar County, IAIA18,3590.8%–

19Appanoose County, IAIA12,0770.7%–

20Polk County, IAIA516,5460.7%–

21Cherokee County, IAIA11,3690.7%–

22Johnson County, IAIA160,0440.7%–

23Des Moines County, IAIA38,0770.7%–

24Washington County, IAIA22,6670.7%–

25Madison County, IAIA17,2700.7%–

26Boone County, IAIA26,7990.7%–

27Davis County, IAIA9,2300.7%–

28Story County, IAIA101,2910.7%–

29Wapello County, IAIA35,2100.6%–

30Jasper County, IAIA38,1530.6%–

31Henry County, IAIA19,3490.6%–

32Mahaska County, IAIA21,8800.6%–

33Linn County, IAIA232,0280.6%–

34Calhoun County, IAIA9,5620.6%–

35Scott County, IAIA175,2590.5%–

36Lucas County, IAIA8,8470.5%–

37Webster County, IAIA36,8380.5%–

38Jefferson County, IAIA15,2910.5%–

39Sac County, IAIA9,5250.5%–

40Fayette County, IAIA19,0470.5%–

41Black Hawk County, IAIA131,5320.5%–

42Clarke County, IAIA9,5740.5%–

43Hamilton County, IAIA14,9440.5%–

44Dickinson County, IAIA18,0770.5%–

45Bremer County, IAIA25,2960.5%–

46Mills County, IAIA14,7930.4%–

47Winneshiek County, IAIA19,7330.4%–

48Lee County, IAIA32,3060.4%–

49Humboldt County, IAIA9,4090.4%–

50Harrison County, IAIA14,6230.4%–

51Jackson County, IAIA19,2880.4%–

52Buena Vista County, IAIA20,4490.4%–

53Palo Alto County, IAIA8,8990.4%–

54Butler County, IAIA14,0490.4%–

55Cerro Gordo County, IAIA42,3720.4%–

56Kossuth County, IAIA14,3220.4%–

57Pottawattamie County, IAIA92,9960.4%–

58Clayton County, IAIA16,8450.4%–

59Grundy County, IAIA12,3610.4%–

60Decatur County, IAIA7,6550.3%–

61Emmet County, IAIA9,1070.3%–

62Muscatine County, IAIA41,8530.3%–

63Montgomery County, IAIA10,0020.3%–

64Woodbury County, IAIA106,6490.3%–

65Clinton County, IAIA46,0020.3%–

66Marshall County, IAIA39,8900.3%–

67Clay County, IAIA16,2020.3%–

68Benton County, IAIA26,0040.3%–

69Wright County, IAIA12,8010.3%–

70Jones County, IAIA21,2530.3%–

71Hardin County, IAIA16,4550.3%–

72Franklin County, IAIA9,8680.3%–

73Shelby County, IAIA11,6890.3%–

74Tama County, IAIA16,7960.3%–

75Monona County, IAIA8,5390.3%–

76Lyon County, IAIA12,3540.3%–

77Allamakee County, IAIA14,2380.2%–

78Ida County, IAIA6,7770.2%–

79Floyd County, IAIA14,9010.2%–

80Guthrie County, IAIA10,7820.2%–

81Ringgold County, IAIA4,6420.2%–

82Crawford County, IAIA16,2370.2%–

83Plymouth County, IAIA25,6970.2%–

84Buchanan County, IAIA20,8830.2%–

85Adams County, IAIA3,6170.2%–

86Dubuque County, IAIA99,3810.2%–

87Osceola County, IAIA5,9800.1%–

88Carroll County, IAIA20,3030.1%–

89Sioux County, IAIA36,7740.1%–

90Worth County, IAIA7,3380.1%–

91O'Brien County, IAIA14,2200.1%–

92Hancock County, IAIA10,5280.1%–

93Van Buren County, IAIA7,1310.1%–

94Mitchell County, IAIA10,6500.1%–

95Audubon County, IAIA5,5090.1%–

96Delaware County, IAIA17,6740.1%–

97Pocahontas County, IAIA6,8190.1%–

98Chickasaw County, IAIA11,6630.0%–

99Taylor County, IAIA5,8350.0%–

SHOWING 1–99 OF 99

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