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RANKING · 2024 ACS · 99 SHOWN OF 99

Most foreign-born residents, Iowa counties

Iowa counties ranked by the share of residents born outside the US (2024 ACS). This list covers the 99 counties in Iowa that qualify, ranked against each other statewide. The median across all 99 is 2.3%. Biggest climber in the top 100 since 2020: Cherokee County, IA, up 44 places to #31.

Most foreign-born residents by state
All USAlaskaAlabamaArkansasArizonaCaliforniaColoradoFloridaGeorgiaIowaIdahoIllinoisIndianaKansasKentuckyLouisianaMassachusettsMarylandMaineMichiganMinnesotaMissouriMississippiMontanaNorth CarolinaNorth DakotaNebraskaNew HampshireNew JerseyNew MexicoNevadaNew YorkOhioOklahomaOregonPennsylvaniaSouth CarolinaSouth DakotaTennesseeTexasUtahVirginiaVermontWashingtonWisconsinWest VirginiaWyoming
RANKPLACESTATEPOPFOREIGN-BORNVS 2010
01Buena Vista County, IAIA20,44921.3%+6.0 pts
02Crawford County, IAIA16,23717.5%+5.3 pts
03▲1Marshall County, IAIA39,89014.6%+5.0 pts
04▼1Jefferson County, IAIA15,29114.1%+1.7 pts
05▲4Woodbury County, IAIA106,64910.6%+2.6 pts
06▲4Dallas County, IAIA118,45710.4%+4.0 pts
07▲1Polk County, IAIA516,54610.1%+2.3 pts
08▲3Wapello County, IAIA35,2109.9%+4.4 pts
09▼4Johnson County, IAIA160,0449.8%+1.6 pts
10▼3Louisa County, IAIA10,4169.4%+2.0 pts
11▼5Story County, IAIA101,2918.6%+0.5 pts
12▲4Sioux County, IAIA36,7748.5%+2.6 pts
13▲12Franklin County, IAIA9,8688.5%+3.1 pts
14▲9Allamakee County, IAIA14,2387.2%+2.3 pts
15▼2Muscatine County, IAIA41,8536.8%−0.7 pts
16▼4Clarke County, IAIA9,5746.6%+1.4 pts
17▲11Wright County, IAIA12,8016.5%+2.3 pts
18▼4Black Hawk County, IAIA131,5326.5%+2.0 pts
19▲5Hamilton County, IAIA14,9446.4%+4.1 pts
20▼3Osceola County, IAIA5,9805.8%+3.0 pts
21▼2Linn County, IAIA232,0285.6%+2.7 pts
22▼1Scott County, IAIA175,2594.8%+1.3 pts
23▲10O'Brien County, IAIA14,2204.4%+2.3 pts
24▲20Humboldt County, IAIA9,4094.4%+2.8 pts
25▲7Lucas County, IAIA8,8474.1%+1.0 pts
26▼8Tama County, IAIA16,7964.1%+0.7 pts
27▼1Pottawattamie County, IAIA92,9964.0%+0.6 pts
28▲2Plymouth County, IAIA25,6973.7%+2.4 pts
29▲7Hardin County, IAIA16,4553.6%+1.8 pts
30▲7Poweshiek County, IAIA18,3683.6%+1.3 pts
31▲44Cherokee County, IAIA11,3693.6%+2.4 pts
32▲10Winnebago County, IAIA10,2513.5%+0.4 pts
33▲27Kossuth County, IAIA14,3223.4%+2.8 pts
34▼19Emmet County, IAIA9,1073.4%−0.3 pts
35Dubuque County, IAIA99,3813.3%+1.6 pts
36▼16Washington County, IAIA22,6673.2%+0.5 pts
37▼15Taylor County, IAIA5,8353.2%+0.8 pts
38▼7Pocahontas County, IAIA6,8193.2%+1.9 pts
39▼5Webster County, IAIA36,8383.0%+0.9 pts
40▲9Chickasaw County, IAIA11,6633.0%+1.4 pts
41▼2Jasper County, IAIA38,1532.8%+1.7 pts
42▲6Winneshiek County, IAIA19,7332.6%+0.6 pts
43Cerro Gordo County, IAIA42,3722.6%+0.3 pts
44▲29Ida County, IAIA6,7772.6%+1.9 pts
45▲2Clay County, IAIA16,2022.5%+0.5 pts
46▲5Palo Alto County, IAIA8,8992.5%+1.8 pts
47▼18Floyd County, IAIA14,9012.4%+0.6 pts
48▲9Sac County, IAIA9,5252.4%+0.5 pts
49▲5Des Moines County, IAIA38,0772.3%+0.4 pts
50▲24Howard County, IAIA9,4152.3%+1.4 pts
51▲28Butler County, IAIA14,0492.3%+1.4 pts
52▼14Clayton County, IAIA16,8452.3%+0.6 pts
53Mahaska County, IAIA21,8802.2%+0.8 pts
54▲7Hancock County, IAIA10,5282.1%+0.7 pts
55▲22Fayette County, IAIA19,0472.1%+1.0 pts
56Marion County, IAIA34,1922.1%+0.5 pts
57▼30Henry County, IAIA19,3492.0%−2.7 pts
58▲10Clinton County, IAIA46,0022.0%+0.8 pts
59▼9Lyon County, IAIA12,3542.0%+1.3 pts
60▲20Lee County, IAIA32,3061.9%+0.5 pts
61▼21Decatur County, IAIA7,6551.9%−0.8 pts
62▲8Guthrie County, IAIA10,7821.9%+0.8 pts
63▼18Page County, IAIA14,8561.9%−0.1 pts
64▼2Union County, IAIA11,8291.8%+1.3 pts
65▲17Mitchell County, IAIA10,6501.8%+0.8 pts
66▲23Madison County, IAIA17,2701.8%+1.1 pts
67▲9Grundy County, IAIA12,3611.7%+1.3 pts
68▲30Audubon County, IAIA5,5091.7%+1.0 pts
69▼5Adair County, IAIA7,4031.6%+1.1 pts
70▼29Shelby County, IAIA11,6891.6%+1.1 pts
71▼8Fremont County, IAIA6,5221.6%+0.5 pts
72▲9Jones County, IAIA21,2531.6%+0.7 pts
73▼15Bremer County, IAIA25,2961.6%+0.3 pts
74▲21Montgomery County, IAIA10,0021.6%−0.4 pts
75▼29Carroll County, IAIA20,3031.6%+0.9 pts
76▼9Warren County, IAIA57,3311.5%+0.4 pts
77▼18Boone County, IAIA26,7991.5%+0.7 pts
78▼26Greene County, IAIA8,6581.5%+0.1 pts
79▼8Davis County, IAIA9,2301.4%+0.8 pts
80▲16Appanoose County, IAIA12,0771.3%+0.7 pts
81▲12Buchanan County, IAIA20,8831.3%+0.5 pts
82▼27Dickinson County, IAIA18,0771.2%+0.1 pts
83▼11Mills County, IAIA14,7931.2%−0.5 pts
84▲3Keokuk County, IAIA9,7971.0%+0.2 pts
85▼1Iowa County, IAIA16,5041.0%+0.4 pts
86▼21Calhoun County, IAIA9,5621.0%+0.3 pts
87▼1Wayne County, IAIA6,7380.9%−1.9 pts
88▼10Cass County, IAIA12,9600.9%−0.3 pts
89▼23Cedar County, IAIA18,3590.9%−0.3 pts
90▲1Worth County, IAIA7,3380.9%+0.2 pts
91▼1Benton County, IAIA26,0040.8%−0.1 pts
92▲5Harrison County, IAIA14,6230.8%−0.1 pts
93▼10Jackson County, IAIA19,2880.8%+0.2 pts
94Monroe County, IAIA7,4060.7%−0.8 pts
95▼10Ringgold County, IAIA4,6420.7%−1.0 pts
96▲3Monona County, IAIA8,5390.7%−0.3 pts
97▼28Van Buren County, IAIA7,1310.6%−0.5 pts
98▼10Adams County, IAIA3,6170.5%+0.2 pts
99▼7Delaware County, IAIA17,6740.3%−0.1 pts
SHOWING 1–99 OF 99

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