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RANKING · 2020 CENSUS · 35 SHOWN OF 35

Highest Colombian population share, Iowa counties · 2020

Iowa counties ranked by the share of all residents who are Colombian origin (2020 American Community Survey). A concentration measure: Colombian residents as a percentage of total population. This list covers the 35 counties in Iowa that qualify, ranked against each other statewide.

Colombian Americans: full group profile →
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RELATEDLargest Mexican populationHighest Mexican population shareLargest Puerto Rican populationHighest Puerto Rican population shareLargest Cuban populationHighest Cuban population share
YEAR201020202024
Highest Colombian population share by state
All USAlabamaArkansasArizonaCaliforniaColoradoFloridaGeorgiaIowaIdahoIllinoisIndianaKansasKentuckyLouisianaMassachusettsMarylandMaineMichiganMinnesotaMissouriMississippiMontanaNorth CarolinaNorth DakotaNebraskaNew JerseyNew MexicoNevadaNew YorkOhioOklahomaOregonPennsylvaniaSouth CarolinaSouth DakotaTennesseeTexasUtahVirginiaVermontWashingtonWisconsinWest Virginia
RANKPLACESTATEPOPCOLOMBIAN SHAREVS 2010
01Clarke County, IAIA9,5742.1%–
02Lucas County, IAIA8,8470.4%–
03Jefferson County, IAIA15,2910.4%+0.1 pts
04Johnson County, IAIA160,0440.3%+0.1 pts
05Bremer County, IAIA25,2960.3%–
06Dickinson County, IAIA18,0770.3%–
07Pottawattamie County, IAIA92,9960.2%+0.2 pts
08Decatur County, IAIA7,6550.1%–
09Muscatine County, IAIA41,8530.1%−0.1 pts
10Page County, IAIA14,8560.1%–
11Louisa County, IAIA10,4160.1%–
12O'Brien County, IAIA14,2200.1%–
13Dallas County, IAIA118,4570.1%+0.0 pts
14Buchanan County, IAIA20,8830.1%–
15Warren County, IAIA57,3310.1%–
16Henry County, IAIA19,3490.1%–
17Sioux County, IAIA36,7740.1%+0.0 pts
18Butler County, IAIA14,0490.1%–
19Scott County, IAIA175,2590.0%+0.0 pts
20Van Buren County, IAIA7,1310.0%–
21Polk County, IAIA516,5460.0%−0.0 pts
22Sac County, IAIA9,5250.0%–
23Woodbury County, IAIA106,6490.0%+0.0 pts
24Benton County, IAIA26,0040.0%–
25Clay County, IAIA16,2020.0%–
26Black Hawk County, IAIA131,5320.0%−0.0 pts
27Calhoun County, IAIA9,5620.0%–
28Story County, IAIA101,2910.0%−0.1 pts
29Dubuque County, IAIA99,3810.0%+0.0 pts
30Lee County, IAIA32,3060.0%–
31Chickasaw County, IAIA11,6630.0%–
32Linn County, IAIA232,0280.0%−0.0 pts
33Madison County, IAIA17,2700.0%–
34Webster County, IAIA36,8380.0%–
35Jasper County, IAIA38,1530.0%−0.0 pts
SHOWING 1–35 OF 35
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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS