RANKING · 2024 ACS · 39 SHOWN OF 39

Largest Colombian population, Iowa counties

Iowa counties ranked by the number of residents who are Colombian origin, from the 2024 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 39 counties in Iowa that qualify, ranked against each other statewide. The median across all 39 is 14. Biggest climber in the top 100 since 2020: Calhoun County, IA, up 14 places to #19.

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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 POPULATIONVS 2010

01Johnson County, IAIA160,044697+129%

02Polk County, IAIA516,546550+175%

03▲3Dallas County, IAIA118,457335+717%

04▲1Scott County, IAIA175,259142+306%

05▲3Jefferson County, IAIA15,291112+187%

06▲9Linn County, IAIA232,02892−13%

07▲2Muscatine County, IAIA41,85392+14%

08▼5Clarke County, IAIA9,57479–

09▼2Bremer County, IAIA25,29666–

10Fayette County, IAIA19,04764–

11Hardin County, IAIA16,45555+45%

12▲2Woodbury County, IAIA106,64955+1275%

13▼1Black Hawk County, IAIA131,532460%

14▲3Story County, IAIA101,29146−32%

15Plymouth County, IAIA25,69726+225%

16Sioux County, IAIA36,77425+127%

17Clinton County, IAIA46,00223–

18▼5Warren County, IAIA57,33117–

19▲14Calhoun County, IAIA9,56215–

20▼16Pottawattamie County, IAIA92,99614+27%

21Palo Alto County, IAIA8,89913–

22▲1O'Brien County, IAIA14,22012–

23Pocahontas County, IAIA6,81912–

24▼14Dickinson County, IAIA18,07710–

25Winneshiek County, IAIA19,73380%

26Boone County, IAIA26,7997–

27▼6Henry County, IAIA19,3497–

28Poweshiek County, IAIA18,3686–

29Monona County, IAIA8,5395–

30Audubon County, IAIA5,5094–

31▼13Dubuque County, IAIA99,3814−64%

32▼2Jasper County, IAIA38,1534−71%

33Wapello County, IAIA35,2104−87%

34Buena Vista County, IAIA20,4493–

35▼1Chickasaw County, IAIA11,6633–

36▼8Clay County, IAIA16,2023–

37Crawford County, IAIA16,2373−93%

38Guthrie County, IAIA10,7822–

39Kossuth County, IAIA14,3221–

SHOWING 1–39 OF 39

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