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. The median across all 35 is 0.1%.

Colombian Americans: full group profile →

IowaAll states All rankings

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, IAIA9,5742.1%–

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

Download CSV (full list, 35 rows)

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS