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RANKING · 2020 CENSUS · 99 SHOWN OF 99

Highest Asian population share, Iowa counties · 2020

Iowa counties ranked by the share of all residents who are Asian (2020 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.

Highest Asian population share by state
All USAlaskaAlabamaArkansasArizonaCaliforniaColoradoFloridaGeorgiaIowaIdahoIllinoisIndianaKansasKentuckyLouisianaMassachusettsMarylandMaineMichiganMinnesotaMissouriMississippiMontanaNorth CarolinaNorth DakotaNebraskaNew HampshireNew JerseyNew MexicoNevadaNew YorkOhioOklahomaOregonPennsylvaniaSouth CarolinaSouth DakotaTennesseeTexasUtahVirginiaVermontWashingtonWisconsinWest VirginiaWyoming
RANKPLACESTATEPOPASIANVS 2000
01Buena Vista County, IAIA20,4499.1%+4.8 pts
02Johnson County, IAIA160,0445.6%+1.5 pts
03Story County, IAIA101,2915.5%+0.4 pts
04Dallas County, IAIA118,4575.0%+4.3 pts
05Polk County, IAIA516,5464.9%+2.3 pts
06Marshall County, IAIA39,8903.8%+3.0 pts
07Jefferson County, IAIA15,2913.2%+1.5 pts
08Woodbury County, IAIA106,6492.8%+0.4 pts
09Scott County, IAIA175,2592.8%+1.2 pts
10Black Hawk County, IAIA131,5322.6%+1.6 pts
11Louisa County, IAIA10,4162.4%+2.2 pts
12Linn County, IAIA232,0282.3%+1.0 pts
13Henry County, IAIA19,3492.2%+0.3 pts
14Hamilton County, IAIA14,9442.1%+0.6 pts
15Floyd County, IAIA14,9011.9%+1.5 pts
16Crawford County, IAIA16,2371.8%+1.3 pts
17Wapello County, IAIA35,2101.8%+1.1 pts
18Cerro Gordo County, IAIA42,3721.2%+0.6 pts
19Marion County, IAIA34,1921.2%+0.2 pts
20Poweshiek County, IAIA18,3681.2%+0.1 pts
21Mahaska County, IAIA21,8801.1%+0.3 pts
22Dubuque County, IAIA99,3811.0%+0.5 pts
23Des Moines County, IAIA38,0771.0%+0.4 pts
24Muscatine County, IAIA41,8530.9%+0.1 pts
25Winneshiek County, IAIA19,7330.9%+0.1 pts
26Winnebago County, IAIA10,2510.9%+0.2 pts
27Clarke County, IAIA9,5740.8%+0.5 pts
28Pottawattamie County, IAIA92,9960.8%+0.3 pts
29Webster County, IAIA36,8380.8%+0.1 pts
30Bremer County, IAIA25,2960.8%+0.3 pts
31Page County, IAIA14,8560.8%+0.3 pts
32Warren County, IAIA57,3310.7%+0.3 pts
33Clay County, IAIA16,2020.6%−0.2 pts
34Sioux County, IAIA36,7740.6%+0.0 pts
35Jasper County, IAIA38,1530.6%+0.1 pts
36Appanoose County, IAIA12,0770.6%+0.3 pts
37O'Brien County, IAIA14,2200.6%+0.1 pts
38Greene County, IAIA8,6580.5%+0.3 pts
39Clinton County, IAIA46,0020.5%+0.0 pts
40Union County, IAIA11,8290.5%+0.3 pts
41Wright County, IAIA12,8010.5%+0.3 pts
42Decatur County, IAIA7,6550.5%−0.1 pts
43Hardin County, IAIA16,4550.5%+0.2 pts
44Iowa County, IAIA16,5040.5%+0.2 pts
45Madison County, IAIA17,2700.5%+0.3 pts
46Washington County, IAIA22,6670.5%+0.3 pts
47Franklin County, IAIA9,8680.5%+0.3 pts
48Cherokee County, IAIA11,3690.5%+0.1 pts
49Kossuth County, IAIA14,3220.5%+0.1 pts
50Tama County, IAIA16,7960.5%+0.3 pts
51Dickinson County, IAIA18,0770.5%+0.3 pts
52Plymouth County, IAIA25,6970.4%+0.2 pts
53Mitchell County, IAIA10,6500.4%+0.3 pts
54Shelby County, IAIA11,6890.4%+0.1 pts
55Lee County, IAIA32,3060.4%+0.0 pts
56Palo Alto County, IAIA8,8990.4%+0.1 pts
57Pocahontas County, IAIA6,8190.4%+0.2 pts
58Fayette County, IAIA19,0470.4%+0.0 pts
59Boone County, IAIA26,7990.4%+0.2 pts
60Wayne County, IAIA6,7380.4%+0.2 pts
61Carroll County, IAIA20,3030.4%+0.0 pts
62Adams County, IAIA3,6170.4%+0.2 pts
63Worth County, IAIA7,3380.3%+0.2 pts
64Guthrie County, IAIA10,7820.3%+0.2 pts
65Emmet County, IAIA9,1070.3%+0.0 pts
66Osceola County, IAIA5,9800.3%+0.1 pts
67Harrison County, IAIA14,6230.3%+0.2 pts
68Lucas County, IAIA8,8470.3%+0.0 pts
69Van Buren County, IAIA7,1310.3%+0.1 pts
70Mills County, IAIA14,7930.3%+0.0 pts
71Cedar County, IAIA18,3590.3%+0.0 pts
72Sac County, IAIA9,5250.3%+0.2 pts
73Benton County, IAIA26,0040.3%+0.1 pts
74Monona County, IAIA8,5390.3%+0.2 pts
75Adair County, IAIA7,4030.3%+0.1 pts
76Allamakee County, IAIA14,2380.3%+0.0 pts
77Howard County, IAIA9,4150.3%+0.1 pts
78Jones County, IAIA21,2530.3%+0.1 pts
79Clayton County, IAIA16,8450.3%+0.2 pts
80Cass County, IAIA12,9600.3%+0.1 pts
81Ida County, IAIA6,7770.3%+0.0 pts
82Taylor County, IAIA5,8350.3%−0.0 pts
83Buchanan County, IAIA20,8830.3%−0.2 pts
84Calhoun County, IAIA9,5620.2%+0.1 pts
85Jackson County, IAIA19,2880.2%+0.1 pts
86Chickasaw County, IAIA11,6630.2%−0.0 pts
87Hancock County, IAIA10,5280.2%−0.1 pts
88Delaware County, IAIA17,6740.2%+0.1 pts
89Humboldt County, IAIA9,4090.2%−0.0 pts
90Monroe County, IAIA7,4060.2%−0.2 pts
91Montgomery County, IAIA10,0020.2%−0.0 pts
92Lyon County, IAIA12,3540.2%+0.1 pts
93Butler County, IAIA14,0490.2%−0.0 pts
94Grundy County, IAIA12,3610.2%−0.1 pts
95Ringgold County, IAIA4,6420.2%+0.0 pts
96Davis County, IAIA9,2300.2%−0.0 pts
97Keokuk County, IAIA9,7970.2%−0.1 pts
98Fremont County, IAIA6,5220.1%−0.1 pts
99Audubon County, IAIA5,5090.1%−0.1 pts
SHOWING 1–99 OF 99

UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS