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.

Nigerian Americans: full group profile →

IowaAll states All rankings

SAME RANKING BYCities States Metros

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

Download CSV (full list, 22 rows)

UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS