California Net International Migration By County in 2023

Updated on June 21, 2025.

According to the US Census Bureau estimates, in 2023, the net international migration for California was 292,721. Los Angeles County had the highest net international migration (81,040) followed by Santa Clara County (36,598), and Orange County (24,018). On the other hand, Del Norte County had the lowest net international migration (-3), followed by Trinity County (0), and Sierra County (0).

Net International migration for a given county refers to the difference between the number of people moving to the county from other parts of the world outside the borders of the United States (50 states and District of Columbia) and the number of people moving out of the county to other parts of the world outside the borders of the United States.

You can also see similar information for other states and also by state for the United States.

Hover over or click on the chart to see this information for each county. The data can also be filtered, sorted, and explored further in a table below.

See this for other years:
California Net International Migration By County in 2023
California Net International Migration By County in 2023
Items per page:
0 of 0
County Net International Migration
Alameda 22565
Alpine 4
Amador 49
Butte 426
Calaveras 69
Colusa 60
Contra Costa 10004
Del Norte -3
El Dorado 372
Fresno 3883
Glenn 62
Humboldt 159
Imperial 1077
Inyo 23
Kern 3687
Kings 651
Lake 112
Lassen 54
Los Angeles 81040
Madera 460
Marin 1861
Mariposa 80
Mendocino 380
Merced 1399
Modoc 36
Mono 185
Monterey 2731
Napa 490
Nevada 146
Orange 24018
Placer 1639
Plumas 33
Riverside 8721
Sacramento 14420
San Benito 147
San Bernardino 7928
San Diego 19815
San Francisco 10754
San Joaquin 6114
San Luis Obispo 687
San Mateo 10203
Santa Barbara 2810
Santa Clara 36598
Santa Cruz 974
Shasta 410
Sierra 0
Siskiyou 58
Solano 2587
Sonoma 1896
Stanislaus 2670
Sutter 695
Tehama 57
Trinity 0
Tulare 1228
Tuolumne 26
Ventura 3303
Yolo 2712
Yuba 156