1. Maryland: Prince Georges, Baltimore (Not Including Baltimore City, the 4th largest Nigerian American community), Howard and Montgomery counties.
2. New York: All boroughs of New York City, the largest Nigerian American community, plus Nassau and Westchester counties.
3. Texas: Harris (esp. the city of Houston), Fort Bend, Tarrant, Dallas, and Travis counties.
4. Georgia: Cobb, Dekalb, Fulton, Gwinnett counties, with Atlanta is the 5th largest Nigerian-American community.
5. New Jersey: Hudson, Essex, Bergen, Union and Middlesex counties, with a large porportion of Nigerians live in Newark.
6. Illinois: Cook County (esp. the city of Chicago).
7. California: Los Angeles (city and county),Fresno, San Bernardino, Orange, San Diego, Sacramento and Solano counties; and the San Francisco Bay Area: Alameda and Contra Costa counties.
8. Ohio: Hamilton and Montgomery counties, with Columbus being the 3rd largest Nigerian-American community.
9. Rhode Island: Providence County (with significant numbers of Nigerian Americans in Providence) and Pawtucket.
10. Virginia: Fairfax, Prince William and Loudoun Counties, but not including Washington DC, it has the 2nd largest Nigerian American community.