California Net Migration Rate By County in 2024

Updated on June 21, 2025.

According to the US Census Bureau estimates, in 2024, the net migration rate per 1,000 population for California was 3.09. Placer County had the highest net migration rate per 1,000 population (22.17), followed by Del Norte County (21.13), and Yuba County (15.29). On the other hand, Mono County had the lowest net migration rate per 1,000 population (-18.09), followed by Lassen County (-12.98), and Plumas County (-9.59).

Net migration rate 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 per 1,000 of the county's mid-year population. A positive rate is known as a net immigration rate, and a negative rate is known as a net emigration rate.

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 Migration Rate By County in 2024
California Net Migration Rate By County in 2024
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County Net Migration Rate
Alameda 3.3
Alpine -8.99
Amador 10.79
Butte 6.93
Calaveras 3.37
Colusa -4.94
Contra Costa 6.51
Del Norte 21.13
El Dorado 3.5
Fresno -1.54
Glenn 2.41
Humboldt -8.33
Imperial 0.85
Inyo -0.43
Kern 2.69
Kings 4.28
Lake 2.65
Lassen -12.98
Los Angeles 0.03
Madera 7.88
Marin 2.96
Mariposa 7.23
Mendocino 0.53
Merced 2.9
Modoc 4.46
Mono -18.09
Monterey -4.66
Napa -4
Nevada 4.94
Orange 2.34
Placer 22.17
Plumas -9.59
Riverside 7.37
Sacramento 7.37
San Benito 6.9
San Bernardino 1.69
San Diego 0.09
San Francisco 9.17
San Joaquin 9.23
San Luis Obispo 0.58
San Mateo 8.73
Santa Barbara -2.53
Santa Clara 11.83
Santa Cruz -5.99
Shasta 7.26
Sierra -7.31
Siskiyou -1.94
Solano 7.65
Sonoma 4.42
Stanislaus 2.05
Sutter -2.01
Tehama -6.63
Trinity 4.15
Tulare -1.06
Tuolumne 2
Ventura 0.32
Yolo 9.03
Yuba 15.29