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 (2024 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.

Welsh Americans: full group profile →

IowaAll states All rankings

SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPWELSH SHAREVS 2010

01Louisa County, IAIA10,4161.9%+0.1 pts

02Monroe County, IAIA7,4061.6%+0.1 pts

03Union County, IAIA11,8291.3%−0.2 pts

04Keokuk County, IAIA9,7971.2%−0.1 pts

05Greene County, IAIA8,6581.1%+0.6 pts

06Howard County, IAIA9,4151.1%+0.1 pts

07Marion County, IAIA34,1921.0%+0.1 pts

08Iowa County, IAIA16,5040.9%−0.5 pts

09Page County, IAIA14,8560.9%+0.2 pts

10Wayne County, IAIA6,7380.9%−0.9 pts

11Cass County, IAIA12,9600.9%+0.2 pts

12Poweshiek County, IAIA18,3680.8%+0.4 pts

13Dallas County, IAIA118,4570.8%−0.2 pts

14Adair County, IAIA7,4030.8%+0.6 pts

15Winnebago County, IAIA10,2510.8%+0.2 pts

16Fremont County, IAIA6,5220.8%+0.3 pts

17Warren County, IAIA57,3310.8%−0.1 pts

18Cedar County, IAIA18,3590.8%−0.3 pts

19Appanoose County, IAIA12,0770.7%−0.4 pts

20Polk County, IAIA516,5460.7%−0.2 pts

21Cherokee County, IAIA11,3690.7%+0.2 pts

22Johnson County, IAIA160,0440.7%−0.1 pts

23Des Moines County, IAIA38,0770.7%−0.1 pts

24Washington County, IAIA22,6670.7%−0.4 pts

25Madison County, IAIA17,2700.7%−0.9 pts

26Boone County, IAIA26,7990.7%−1.2 pts

27Davis County, IAIA9,2300.7%+0.1 pts

28Story County, IAIA101,2910.7%−0.2 pts

29Wapello County, IAIA35,2100.6%−0.9 pts

30Jasper County, IAIA38,1530.6%−0.7 pts

31Henry County, IAIA19,3490.6%−0.5 pts

32Mahaska County, IAIA21,8800.6%−0.4 pts

33Linn County, IAIA232,0280.6%−0.3 pts

34Calhoun County, IAIA9,5620.6%+0.3 pts

35Scott County, IAIA175,2590.5%−0.0 pts

36Lucas County, IAIA8,8470.5%−0.1 pts

37Webster County, IAIA36,8380.5%+0.1 pts

38Jefferson County, IAIA15,2910.5%+0.0 pts

39Sac County, IAIA9,5250.5%−0.2 pts

40Fayette County, IAIA19,0470.5%+0.1 pts

41Black Hawk County, IAIA131,5320.5%−0.0 pts

42Clarke County, IAIA9,5740.5%−0.3 pts

43Hamilton County, IAIA14,9440.5%+0.3 pts

44Dickinson County, IAIA18,0770.5%+0.0 pts

45Bremer County, IAIA25,2960.5%+0.1 pts

46Mills County, IAIA14,7930.4%−0.5 pts

47Winneshiek County, IAIA19,7330.4%+0.1 pts

48Lee County, IAIA32,3060.4%+0.1 pts

49Humboldt County, IAIA9,4090.4%+0.2 pts

50Harrison County, IAIA14,6230.4%−0.4 pts

51Jackson County, IAIA19,2880.4%−0.5 pts

52Buena Vista County, IAIA20,4490.4%−0.0 pts

53Palo Alto County, IAIA8,8990.4%+0.2 pts

54Butler County, IAIA14,0490.4%−0.0 pts

55Cerro Gordo County, IAIA42,3720.4%−0.2 pts

56Kossuth County, IAIA14,3220.4%+0.1 pts

57Pottawattamie County, IAIA92,9960.4%−0.8 pts

58Clayton County, IAIA16,8450.4%−0.6 pts

59Grundy County, IAIA12,3610.4%−0.2 pts

60Decatur County, IAIA7,6550.3%−2.0 pts

61Emmet County, IAIA9,1070.3%−0.1 pts

62Muscatine County, IAIA41,8530.3%−0.3 pts

63Montgomery County, IAIA10,0020.3%−1.9 pts

64Woodbury County, IAIA106,6490.3%+0.0 pts

65Clinton County, IAIA46,0020.3%−0.5 pts

66Marshall County, IAIA39,8900.3%−0.3 pts

67Clay County, IAIA16,2020.3%−1.4 pts

68Benton County, IAIA26,0040.3%−0.7 pts

69Wright County, IAIA12,8010.3%−0.5 pts

70Jones County, IAIA21,2530.3%−0.1 pts

71Hardin County, IAIA16,4550.3%−0.2 pts

72Franklin County, IAIA9,8680.3%−0.2 pts

73Shelby County, IAIA11,6890.3%+0.0 pts

74Tama County, IAIA16,7960.3%−0.2 pts

75Monona County, IAIA8,5390.3%−0.1 pts

76Lyon County, IAIA12,3540.3%−0.0 pts

77Allamakee County, IAIA14,2380.2%+0.2 pts

78Ida County, IAIA6,7770.2%−0.1 pts

79Floyd County, IAIA14,9010.2%−0.1 pts

80Guthrie County, IAIA10,7820.2%−1.2 pts

81Ringgold County, IAIA4,6420.2%−0.2 pts

82Crawford County, IAIA16,2370.2%−0.1 pts

83Plymouth County, IAIA25,6970.2%−0.3 pts

84Buchanan County, IAIA20,8830.2%−0.4 pts

85Adams County, IAIA3,6170.2%−0.7 pts

86Dubuque County, IAIA99,3810.2%−0.2 pts

87Osceola County, IAIA5,9800.1%–

88Carroll County, IAIA20,3030.1%−0.3 pts

89Sioux County, IAIA36,7740.1%+0.1 pts

90Worth County, IAIA7,3380.1%−0.3 pts

91O'Brien County, IAIA14,2200.1%−0.2 pts

92Hancock County, IAIA10,5280.1%−0.2 pts

93Van Buren County, IAIA7,1310.1%−0.6 pts

94Mitchell County, IAIA10,6500.1%−0.1 pts

95Audubon County, IAIA5,5090.1%−0.6 pts

96Delaware County, IAIA17,6740.1%−0.6 pts

97Pocahontas County, IAIA6,8190.1%−0.6 pts

98Chickasaw County, IAIA11,6630.0%−0.3 pts

99Taylor County, IAIA5,8350.0%−0.4 pts

SHOWING 1–99 OF 99

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES