Ranking of California Counties By Population with Nigerian Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 47.23K people in California with Nigerian ancestry. Among all California counties, Los Angeles County had the highest population with Nigerian ancestry (15.93K), followed by Alameda County (4.85K), and Riverside County (4.69K).

The chart and table below shows the top 10 counties with high number of people with Nigerian ancestry.

You can see similar information for other states and for other ancestry groups in California.

Data Source: US Census Bureau.
Ranking of California Counties By Population with Nigerian Ancestry in 2021
Los Angeles County
Alameda County
Riverside County
San Bernardino County
Contra Costa County
San Diego County
Sacramento County
Orange County
San Joaquin County
Santa Clara County
Ranking of California Counties By Population with Nigerian Ancestry in 2021
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Rank County Population
1 Los Angeles County 15927
2 Alameda County 4851
3 Riverside County 4689
4 San Bernardino County 3653
5 Contra Costa County 2932
6 San Diego County 2479
7 Sacramento County 1937
8 Orange County 1493
9 San Joaquin County 1345
10 Santa Clara County 1166
11 San Francisco County 769
12 Marin County 702
13 Stanislaus County 687
14 San Mateo County 685
15 Fresno County 678
16 Kern County 591
17 Solano County 516
18 Ventura County 481
19 San Luis Obispo County 302
20 San Benito County 227
21 Monterey County 221
22 Kings County 208
23 Santa Barbara County 124
24 Sonoma County 121
25 Yolo County 72
26 Butte County 67
27 Santa Cruz County 61
28 Tulare County 53
29 Placer County 45
30 Imperial County 28
30 Merced County 28
31 Napa County 26
32 El Dorado County 20
33 Nevada County 16
34 Humboldt County 11
35 Siskiyou County 8
36 Amador County 5
37 Lassen County 4
37 Tuolumne County 4