RANKING · 2020 CENSUS · 22 SHOWN OF 22

Highest Nigerian population share, Iowa counties · 2020

Iowa counties ranked by the share of all residents who are Nigerian ancestry (2020 American Community Survey). A concentration measure: Nigerian residents as a percentage of total population. This list covers the 22 counties in Iowa that qualify, ranked against each other statewide. The median across all 22 is 0.0%.

Nigerian Americans: full group profile →

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RELATEDLargest American population Highest American population share Largest Arab population Highest Arab population share Largest Egyptian population Highest Egyptian population share

YEAR2010 2020 2024

RANKPLACESTATEPOPNIGERIAN SHAREVS 2010

01Muscatine County, IAIA41,8530.3%–

02Johnson County, IAIA160,0440.3%+0.3 pts

03Warren County, IAIA57,3310.2%–

04Henry County, IAIA19,3490.1%+0.1 pts

05Wayne County, IAIA6,7380.1%–

06Polk County, IAIA516,5460.1%0.0 pts

07Scott County, IAIA175,2590.1%0.0 pts

08Clinton County, IAIA46,0020.0%0.0 pts

09Mahaska County, IAIA21,8800.0%–

10Story County, IAIA101,2910.0%−0.1 pts

11Bremer County, IAIA25,2960.0%–

12Sioux County, IAIA36,7740.0%–

13Webster County, IAIA36,8380.0%–

14Pocahontas County, IAIA6,8190.0%–

15Van Buren County, IAIA7,1310.0%–

16Dubuque County, IAIA99,3810.0%–

17Woodbury County, IAIA106,6490.0%0.0 pts

18Pottawattamie County, IAIA92,9960.0%–

19Jackson County, IAIA19,2880.0%–

20Buena Vista County, IAIA20,4490.0%–

21Black Hawk County, IAIA131,5320.0%−0.1 pts

22Linn County, IAIA232,0280.0%0.0 pts

SHOWING 1–22 OF 22

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