Counties with highest immigration in 2024
An increasing number of immigrants helped propel population growth in many California counties.
Los Angeles
100,250
Santa Clara
44,644
Orange
29,759
Alameda
27,563
San Diego
24,226
Sacramento
17,677
San Francisco
13,146
San Mateo
12,450
Contra Costa
12,286
Riverside
11,037
San Bernardino
9,984
San Joaquin
7,528
Fresno
4,855
Kern
4,623
Ventura
4,158
Santa Barbara
3,487