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. The median across all 99 is 0.4%. Biggest climber in the top 100 since 2020: Wayne County, IA, up 75 places to #10.

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IowaAll states All rankings

SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPWELSH SHAREVS 2010

01▲1Louisa County, IAIA10,4161.9%+0.1 pts

02▲3Monroe County, IAIA7,4061.6%+0.1 pts

03▲6Union County, IAIA11,8291.3%−0.2 pts

04▼3Keokuk County, IAIA9,7971.2%−0.1 pts

05▲44Greene County, IAIA8,6581.1%+0.6 pts

06▲56Howard County, IAIA9,4151.1%+0.1 pts

07▲1Marion County, IAIA34,1921.0%+0.1 pts

08▼4Iowa County, IAIA16,5040.9%−0.5 pts

09▲22Page County, IAIA14,8560.9%+0.2 pts

10▲75Wayne County, IAIA6,7380.9%−0.9 pts

11▼1Cass County, IAIA12,9600.9%+0.2 pts

12▲67Poweshiek County, IAIA18,3680.8%+0.4 pts

13▲4Dallas County, IAIA118,4570.8%−0.2 pts

14▲12Adair County, IAIA7,4030.8%+0.6 pts

15▲13Winnebago County, IAIA10,2510.8%+0.2 pts

16▼9Fremont County, IAIA6,5220.8%+0.3 pts

17▲16Warren County, IAIA57,3310.8%−0.1 pts

18▲23Cedar County, IAIA18,3590.8%−0.3 pts

19▲2Appanoose County, IAIA12,0770.7%−0.4 pts

20▼2Polk County, IAIA516,5460.7%−0.2 pts

21▼6Cherokee County, IAIA11,3690.7%+0.2 pts

22▼3Johnson County, IAIA160,0440.7%−0.1 pts

23▲11Des Moines County, IAIA38,0770.7%−0.1 pts

24▼12Washington County, IAIA22,6670.7%−0.4 pts

25▼22Madison County, IAIA17,2700.7%−0.9 pts

26▲41Boone County, IAIA26,7990.7%−1.2 pts

27▼7Davis County, IAIA9,2300.7%+0.1 pts

28▲10Story County, IAIA101,2910.7%−0.2 pts

29▲16Wapello County, IAIA35,2100.6%−0.9 pts

30▼19Jasper County, IAIA38,1530.6%−0.7 pts

31▼15Henry County, IAIA19,3490.6%−0.5 pts

32▼26Mahaska County, IAIA21,8800.6%−0.4 pts

33▲3Linn County, IAIA232,0280.6%−0.3 pts

34▼5Calhoun County, IAIA9,5620.6%+0.3 pts

35▲28Scott County, IAIA175,2590.5%0.0 pts

36▼23Lucas County, IAIA8,8470.5%−0.1 pts

37▲31Webster County, IAIA36,8380.5%+0.1 pts

38▲37Jefferson County, IAIA15,2910.5%0.0 pts

39▲52Sac County, IAIA9,5250.5%−0.2 pts

40▲7Fayette County, IAIA19,0470.5%+0.1 pts

41▲10Black Hawk County, IAIA131,5320.5%0.0 pts

42▲13Clarke County, IAIA9,5740.5%−0.3 pts

43▲55Hamilton County, IAIA14,9440.5%+0.3 pts

44▲12Dickinson County, IAIA18,0770.5%0.0 pts

45▲38Bremer County, IAIA25,2960.5%+0.1 pts

46▲2Mills County, IAIA14,7930.4%−0.5 pts

47▼3Winneshiek County, IAIA19,7330.4%+0.1 pts

48▲29Lee County, IAIA32,3060.4%+0.1 pts

49▲25Humboldt County, IAIA9,4090.4%+0.2 pts

50▲26Harrison County, IAIA14,6230.4%−0.4 pts

51▼26Jackson County, IAIA19,2880.4%−0.5 pts

52▼17Buena Vista County, IAIA20,4490.4%0.0 pts

53▲28Palo Alto County, IAIA8,8990.4%+0.2 pts

54▲35Butler County, IAIA14,0490.4%0.0 pts

55▼31Cerro Gordo County, IAIA42,3720.4%−0.2 pts

56▲26Kossuth County, IAIA14,3220.4%+0.1 pts

57▲7Pottawattamie County, IAIA92,9960.4%−0.8 pts

58▲22Clayton County, IAIA16,8450.4%−0.6 pts

59▲2Grundy County, IAIA12,3610.4%−0.2 pts

60▼46Decatur County, IAIA7,6550.3%−2.0 pts

61▼19Emmet County, IAIA9,1070.3%−0.1 pts

62▼35Muscatine County, IAIA41,8530.3%−0.3 pts

63▼41Montgomery County, IAIA10,0020.3%−1.9 pts

64▲7Woodbury County, IAIA106,6490.3%0.0 pts

65▼19Clinton County, IAIA46,0020.3%−0.5 pts

66▼43Marshall County, IAIA39,8900.3%−0.3 pts

67▼13Clay County, IAIA16,2020.3%−1.4 pts

68▲10Benton County, IAIA26,0040.3%−0.7 pts

69▼16Wright County, IAIA12,8010.3%−0.5 pts

70▼27Jones County, IAIA21,2530.3%−0.1 pts

71▼21Hardin County, IAIA16,4550.3%−0.2 pts

72▼3Franklin County, IAIA9,8680.3%−0.2 pts

73▲20Shelby County, IAIA11,6890.3%0.0 pts

74▼14Tama County, IAIA16,7960.3%−0.2 pts

75▼3Monona County, IAIA8,5390.3%−0.1 pts

76▲20Lyon County, IAIA12,3540.3%0.0 pts

77▼12Allamakee County, IAIA14,2380.2%+0.2 pts

78▼5Ida County, IAIA6,7770.2%−0.1 pts

79▲20Floyd County, IAIA14,9010.2%−0.1 pts

80▼50Guthrie County, IAIA10,7820.2%−1.2 pts

81▼49Ringgold County, IAIA4,6420.2%−0.2 pts

82▲5Crawford County, IAIA16,2370.2%−0.1 pts

83▼13Plymouth County, IAIA25,6970.2%−0.3 pts

84▼44Buchanan County, IAIA20,8830.2%−0.4 pts

85▼27Adams County, IAIA3,6170.2%−0.7 pts

86▼20Dubuque County, IAIA99,3810.2%−0.2 pts

87▲10Osceola County, IAIA5,9800.1%–

88▲6Carroll County, IAIA20,3030.1%−0.3 pts

89▲6Sioux County, IAIA36,7740.1%+0.1 pts

90▼51Worth County, IAIA7,3380.1%−0.3 pts

91▲1O'Brien County, IAIA14,2200.1%−0.2 pts

92▼8Hancock County, IAIA10,5280.1%−0.2 pts

93▼34Van Buren County, IAIA7,1310.1%−0.6 pts

94▼8Mitchell County, IAIA10,6500.1%−0.1 pts

95▼5Audubon County, IAIA5,5090.1%−0.6 pts

96▼59Delaware County, IAIA17,6740.1%−0.6 pts

97▼45Pocahontas County, IAIA6,8190.1%−0.6 pts

98▼10Chickasaw County, IAIA11,6630.0%−0.3 pts

99▼42Taylor County, IAIA5,8350.0%−0.4 pts

SHOWING 1–99 OF 99

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES