RANKING · 2024 ACS · 39 SHOWN OF 39

Highest Colombian population share, Iowa counties

Iowa counties ranked by the share of all residents who are Colombian origin (2024 American Community Survey). A concentration measure: Colombian residents as a percentage of total population. This list covers the 39 counties in Iowa that qualify, ranked against each other statewide. The median across all 39 is 0.1%. Biggest climber in the top 100 since 2020: Calhoun County, IA, up 17 places to #10.

Colombian Americans: full group profile →

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SAME RANKING BYCities States Metros

RELATEDLargest Mexican population Highest Mexican population share Largest Puerto Rican population Highest Puerto Rican population share Largest Cuban population Highest Cuban population share

YEAR2010 2020 2024

RANKPLACESTATEPOPCOLOMBIAN SHAREVS 2010

01Clarke County, IAIA9,5740.8%–

02▲1Jefferson County, IAIA15,2910.7%+0.5 pts

03▲1Johnson County, IAIA160,0440.4%+0.2 pts

04Fayette County, IAIA19,0470.3%–

05Hardin County, IAIA16,4550.3%+0.1 pts

06▲7Dallas County, IAIA118,4570.3%+0.2 pts

07▼2Bremer County, IAIA25,2960.3%–

08▲1Muscatine County, IAIA41,8530.2%0.0 pts

09Pocahontas County, IAIA6,8190.2%–

10▲17Calhoun County, IAIA9,5620.2%–

11Palo Alto County, IAIA8,8990.1%–

12▲9Polk County, IAIA516,5460.1%+0.1 pts

13Plymouth County, IAIA25,6970.1%+0.1 pts

14▼2O'Brien County, IAIA14,2200.1%–

15▲4Scott County, IAIA175,2590.1%+0.1 pts

16Audubon County, IAIA5,5090.1%–

17Sioux County, IAIA36,7740.1%0.0 pts

18Monona County, IAIA8,5390.1%–

19▼13Dickinson County, IAIA18,0770.1%–

20▲3Woodbury County, IAIA106,6490.1%0.0 pts

21Clinton County, IAIA46,0020.0%–

22▲6Story County, IAIA101,2910.0%0.0 pts

23Winneshiek County, IAIA19,7330.0%0.0 pts

24▲8Linn County, IAIA232,0280.0%0.0 pts

25▲1Black Hawk County, IAIA131,5320.0%0.0 pts

26▼10Henry County, IAIA19,3490.0%–

27Poweshiek County, IAIA18,3680.0%–

28▼13Warren County, IAIA57,3310.0%–

29Boone County, IAIA26,7990.0%–

30▲1Chickasaw County, IAIA11,6630.0%–

31Guthrie County, IAIA10,7820.0%–

32Crawford County, IAIA16,2370.0%−0.2 pts

33▼8Clay County, IAIA16,2020.0%–

34▼27Pottawattamie County, IAIA92,9960.0%0.0 pts

35Buena Vista County, IAIA20,4490.0%–

36Wapello County, IAIA35,2100.0%−0.1 pts

37▼2Jasper County, IAIA38,1530.0%0.0 pts

38Kossuth County, IAIA14,3220.0%–

39▼10Dubuque County, IAIA99,3810.0%0.0 pts

SHOWING 1–39 OF 39

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