RANKING · 2024 ACS · 99 SHOWN OF 99

Highest Asian population share, Iowa counties

Iowa counties ranked by the share of all residents who are Asian (2024 American Community Survey). A concentration measure: Asian residents as a percentage of total population. This list covers the 99 counties in Iowa that qualify, ranked against each other statewide.

IowaAll states All rankings

SAME RANKING BYCities States Metros ZIP codes

RELATEDHighest Asian household income Highest Black household income Highest Hispanic household income Highest White (non-Hispanic) household income Largest White (non-Hispanic) population Highest White (non-Hispanic) population share

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPASIANVS 2000

01Buena Vista County, IAIA20,4499.5%+122%

02Jefferson County, IAIA15,2918.2%+381%

03Story County, IAIA101,2916.6%+30%

04Johnson County, IAIA160,0445.6%+37%

05Polk County, IAIA516,5464.9%+89%

06Dallas County, IAIA118,4574.9%+615%

07Marshall County, IAIA39,8904.1%+421%

08Scott County, IAIA175,2592.8%+82%

09Black Hawk County, IAIA131,5322.7%+176%

10Linn County, IAIA232,0282.4%+75%

11Woodbury County, IAIA106,6492.3%−2%

12Hamilton County, IAIA14,9442.3%+56%

13Crawford County, IAIA16,2372.2%+348%

14Louisa County, IAIA10,4162.2%+998%

15Poweshiek County, IAIA18,3682.0%+92%

16Wapello County, IAIA35,2101.6%+153%

17Floyd County, IAIA14,9011.6%+284%

18Marion County, IAIA34,1921.4%+37%

19Dubuque County, IAIA99,3811.3%+135%

20Winnebago County, IAIA10,2511.3%+91%

21Butler County, IAIA14,0491.3%+519%

22Des Moines County, IAIA38,0771.2%+108%

23Webster County, IAIA36,8381.2%+79%

24Cerro Gordo County, IAIA42,3721.2%+71%

25Montgomery County, IAIA10,0021.1%+333%

26Mahaska County, IAIA21,8801.0%+22%

27Humboldt County, IAIA9,4091.0%+342%

28Hancock County, IAIA10,5280.9%+200%

29Fayette County, IAIA19,0470.9%+143%

30Appanoose County, IAIA12,0770.9%+247%

31Bremer County, IAIA25,2960.9%+82%

32Union County, IAIA11,8290.9%+251%

33Henry County, IAIA19,3490.9%−53%

34Pottawattamie County, IAIA92,9960.9%+78%

35Hardin County, IAIA16,4550.8%+170%

36Lucas County, IAIA8,8470.8%+192%

37Clay County, IAIA16,2020.8%−8%

38Warren County, IAIA57,3310.7%+96%

39Decatur County, IAIA7,6550.7%+16%

40Jasper County, IAIA38,1530.7%+63%

41Tama County, IAIA16,7960.7%+289%

42Clinton County, IAIA46,0020.7%+25%

43Ida County, IAIA6,7770.7%+175%

44O'Brien County, IAIA14,2200.7%+31%

45Palo Alto County, IAIA8,8990.6%+111%

46Muscatine County, IAIA41,8530.6%−22%

47Greene County, IAIA8,6580.6%+173%

48Jones County, IAIA21,2530.6%+182%

49Mitchell County, IAIA10,6500.6%+266%

50Osceola County, IAIA5,9800.6%+187%

51Lee County, IAIA32,3060.6%+43%

52Clarke County, IAIA9,5740.6%+60%

53Page County, IAIA14,8560.5%+15%

54Sioux County, IAIA36,7740.5%−7%

55Winneshiek County, IAIA19,7330.5%−34%

56Plymouth County, IAIA25,6970.5%+100%

57Cedar County, IAIA18,3590.5%+83%

58Cass County, IAIA12,9600.5%+281%

59Lyon County, IAIA12,3540.5%+308%

60Grundy County, IAIA12,3610.5%+68%

61Shelby County, IAIA11,6890.5%+74%

62Guthrie County, IAIA10,7820.5%+232%

63Monroe County, IAIA7,4060.5%+17%

64Dickinson County, IAIA18,0770.5%+161%

65Wright County, IAIA12,8010.5%+141%

66Mills County, IAIA14,7930.5%+57%

67Madison County, IAIA17,2700.4%+152%

68Worth County, IAIA7,3380.4%+223%

69Kossuth County, IAIA14,3220.4%+20%

70Allamakee County, IAIA14,2380.4%+52%

71Washington County, IAIA22,6670.4%+56%

72Cherokee County, IAIA11,3690.4%−14%

73Franklin County, IAIA9,8680.4%+128%

74Sac County, IAIA9,5250.4%+160%

75Clayton County, IAIA16,8450.3%+207%

76Howard County, IAIA9,4150.3%+92%

77Adair County, IAIA7,4030.3%+34%

78Harrison County, IAIA14,6230.3%+84%

79Iowa County, IAIA16,5040.2%−19%

80Benton County, IAIA26,0040.2%+41%

81Emmet County, IAIA9,1070.2%−24%

82Calhoun County, IAIA9,5620.2%+25%

83Keokuk County, IAIA9,7970.2%−12%

84Boone County, IAIA26,7990.2%−9%

85Buchanan County, IAIA20,8830.2%−52%

86Carroll County, IAIA20,3030.2%−44%

87Pocahontas County, IAIA6,8190.2%−2%

88Fremont County, IAIA6,5220.2%−28%

89Jackson County, IAIA19,2880.1%+21%

90Wayne County, IAIA6,7380.1%−38%

91Audubon County, IAIA5,5090.1%−72%

92Van Buren County, IAIA7,1310.0%−84%

93Chickasaw County, IAIA11,6630.0%−93%

94Davis County, IAIA9,2300.0%−95%

95Taylor County, IAIA5,8350.0%−100%

96Adams County, IAIA3,6170.0%−100%

97Delaware County, IAIA17,6740.0%−100%

98Monona County, IAIA8,5390.0%−100%

99Ringgold County, IAIA4,6420.0%−100%

SHOWING 1–99 OF 99

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES