Largest Nigerian population, California counties

California 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 41 counties in California that qualify, ranked against each other statewide. The median across all 41 is 265. Biggest climber in the top 100 since 2020: Placer County, CA, up 16 places to #22.