California Net Migration By County in 2018

Updated on January 22, 2024.

According to the US Census Bureau estimates, in 2018, the net migration for California was -91,823. Riverside County had the highest net migration (18,296) followed by Placer County (7,102), and San Joaquin County (5,051). On the other hand, Los Angeles County had the lowest net migration (-79,958), followed by Orange County (-14,705), and Santa Clara County (-11,866).

Net migration for a county refers to the difference between the number of migrants, both domestic and international, moving to the county and those leaving the county. Or to put it simply, the net migration for a given county is the inbound migration minus the outbound migration for that county.

You can also see similar information for other states and also for the US by state. You can also see links at the bottom of the page for the trend of the net migration for each county in California.

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 Migration By County in 2018
California Net Migration By County in 2018
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County Net Migration
Alameda -1607
Alpine -30
Amador 923
Butte 1739
Calaveras 185
Colusa -275
Contra Costa 1175
Del Norte 388
El Dorado 2082
Fresno -639
Glenn -60
Humboldt -205
Imperial -1825
Inyo 87
Kern -318
Kings 313
Lake 354
Lassen -373
Los Angeles -79958
Madera 259
Marin -67
Mariposa -21
Mendocino -200
Merced 813
Modoc -59
Mono -36
Monterey -3658
Napa -1183
Nevada 329
Orange -14705
Placer 7102
Plumas 182
Riverside 18296
Sacramento 4359
San Benito 839
San Bernardino 1144
San Diego -4991
San Francisco -450
San Joaquin 5051
San Luis Obispo 745
San Mateo -3825
Santa Barbara -1914
Santa Clara -11866
Santa Cruz -1923
Shasta 544
Sierra -37
Siskiyou 44
Solano 818
Sonoma -5315
Stanislaus 390
Sutter -294
Tehama 55
Trinity -106
Tulare -1502
Tuolumne 503
Ventura -4248
Yolo 744
Yuba 404