RANKING · 2024 ACS · 33 SHOWN OF 33

Largest Nigerian population, Iowa counties

Iowa counties ranked by the number of residents who are Nigerian ancestry, 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 33 counties in Iowa that qualify, ranked against each other statewide. The median across all 33 is 28. Biggest climber in the top 100 since 2020: Linn County, IA, up 18 places to #2.

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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 POPULATIONVS 2010

01▲1Polk County, IAIA516,546813+323%

02▲18Linn County, IAIA232,028479+5888%

03▼2Johnson County, IAIA160,044239+4680%

04▲1Warren County, IAIA57,331155–

05▲1Story County, IAIA101,291133−4%

06▲6Pottawattamie County, IAIA92,99682–

07Des Moines County, IAIA38,07764–

08Wapello County, IAIA35,21055–

09▼1Clinton County, IAIA46,00243+139%

10Montgomery County, IAIA10,00243–

11Woodbury County, IAIA106,64942+121%

12Decatur County, IAIA7,65539–

13Dallas County, IAIA118,45735–

14Emmet County, IAIA9,10733–

15Marshall County, IAIA39,89031–

16▼1Webster County, IAIA36,83829–

17▼13Scott County, IAIA175,25928−13%

18Boone County, IAIA26,79922–

19▼2Black Hawk County, IAIA131,53221−74%

20▼11Dubuque County, IAIA99,38120–

21Page County, IAIA14,85618–

22Washington County, IAIA22,66716–

23Franklin County, IAIA9,86815–

24▼8Bremer County, IAIA25,29613–

25Hamilton County, IAIA14,94411–

26Lee County, IAIA32,3068–

27▼17Mahaska County, IAIA21,8806–

28Appanoose County, IAIA12,0775–

29Cerro Gordo County, IAIA42,3725–

30Tama County, IAIA16,7964–

31Adams County, IAIA3,6173–

32Carroll County, IAIA20,3033–

33Cass County, IAIA12,9603–

SHOWING 1–33 OF 33

Download CSV (full list, 33 rows)

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES