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.

Colombian Americans: full group profile →

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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%

03Dallas County, IAIA118,457335+717%

04Scott County, IAIA175,259142+306%

05Jefferson County, IAIA15,291112+187%

06Linn County, IAIA232,02892−13%

07Muscatine County, IAIA41,85392+14%

08Clarke County, IAIA9,57479–

09Bremer County, IAIA25,29666–

10Fayette County, IAIA19,04764–

11Hardin County, IAIA16,45555+45%

12Woodbury County, IAIA106,64955+1275%

13Black Hawk County, IAIA131,53246+0%

14Story County, IAIA101,29146−32%

15Plymouth County, IAIA25,69726+225%

16Sioux County, IAIA36,77425+127%

17Clinton County, IAIA46,00223–

18Warren County, IAIA57,33117–

19Calhoun County, IAIA9,56215–

20Pottawattamie County, IAIA92,99614+27%

21Palo Alto County, IAIA8,89913–

22O'Brien County, IAIA14,22012–

23Pocahontas County, IAIA6,81912–

24Dickinson County, IAIA18,07710–

25Winneshiek County, IAIA19,7338+0%

26Boone County, IAIA26,7997–

27Henry County, IAIA19,3497–

28Poweshiek County, IAIA18,3686–

29Monona County, IAIA8,5395–

30Audubon County, IAIA5,5094–

31Dubuque County, IAIA99,3814−64%

32Jasper County, IAIA38,1534−71%

33Wapello County, IAIA35,2104−87%

34Buena Vista County, IAIA20,4493–

35Chickasaw County, IAIA11,6633–

36Clay 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 2026-07-15 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES