California Net International Migration By County in 2015

Updated on June 21, 2025.

According to the US Census Bureau estimates, in 2015, the net international migration for California was 153,571. Los Angeles County had the highest net international migration (41,539) followed by Santa Clara County (22,035), and San Diego County (16,772). On the other hand, Tehama County had the lowest net international migration (-25), followed by Colusa County (-12), and Glenn County (-11).

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.

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California Net International Migration By County in 2015
California Net International Migration By County in 2015
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County Net International Migration
Alameda 13960
Alpine 2
Amador 37
Butte 257
Calaveras 41
Colusa -12
Contra Costa 5125
Del Norte 9
El Dorado 201
Fresno 1778
Glenn -11
Humboldt 46
Imperial 516
Inyo 20
Kern 1197
Kings 225
Lake -3
Lassen 11
Los Angeles 41539
Madera 2
Marin 751
Mariposa 14
Mendocino 0
Merced 179
Modoc 10
Mono 108
Monterey 890
Napa 160
Nevada 32
Orange 12679
Placer 432
Plumas 3
Riverside 2956
Sacramento 5686
San Benito 0
San Bernardino 2654
San Diego 16772
San Francisco 7437
San Joaquin 1777
San Luis Obispo 226
San Mateo 5733
Santa Barbara 1533
Santa Clara 22035
Santa Cruz 376
Shasta 331
Sierra 0
Siskiyou 21
Solano 931
Sonoma 627
Stanislaus 761
Sutter 289
Tehama -25
Trinity -2
Tulare 234
Tuolumne 34
Ventura 1383
Yolo 1473
Yuba 131