RANKING · 2020 CENSUS · 22 SHOWN OF 22

Largest Nigerian population, Iowa counties · 2020

Iowa counties ranked by the number of residents who are Nigerian ancestry, from the 2020 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. 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 POPULATIONVS 2010

01Johnson County, IAIA160,044394+7780%

02Polk County, IAIA516,546349+82%

03Muscatine County, IAIA41,853116–

04Scott County, IAIA175,259105+228%

05Warren County, IAIA57,33187–

06Story County, IAIA101,29122−84%

07Henry County, IAIA19,34921+950%

08Clinton County, IAIA46,00220+11%

09Dubuque County, IAIA99,38111–

10Mahaska County, IAIA21,8809–

11Woodbury County, IAIA106,6499−53%

12Pottawattamie County, IAIA92,9966–

13Sioux County, IAIA36,7746–

14Webster County, IAIA36,8386–

15Wayne County, IAIA6,7386–

16Bremer County, IAIA25,2965–

17Black Hawk County, IAIA131,5322−98%

18Jackson County, IAIA19,2881–

19Linn County, IAIA232,0281−88%

20Pocahontas County, IAIA6,8191–

21Van Buren County, IAIA7,1311–

22Buena Vista County, IAIA20,4491–

SHOWING 1–22 OF 22

Download CSV (full list, 22 rows)

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS