Ranking of California Counties By Net Migration in 2023
Updated on June 21, 2025.
Based on the US Census Vintage data estimates, in 2023, the Net Migration for California was -51.31K. Among all California counties, Riverside County had the highest net migration (17.25K), followed by San Joaquin County (6.81K), and Placer County (6.46K).
The chart below shows the top 10 counties, and the table below shows the ranking of all California counties.
You can see similar ranking information for related topics, and for other states. You can also see the ranking of all counties in the United States.
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Related Topics: California Census Vintage Data Topic List.
Data Source: US Census Bureau (Vintage), 2023 Census.
See this for other years:
Ranking of California Counties By Net Migration in 2023
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| Rank | County | Net Migration |
|---|---|---|
| 1 | Riverside County | 17251 |
| 2 | San Joaquin County | 6806 |
| 3 | Placer County | 6456 |
| 4 | Santa Clara County | 6060 |
| 5 | San Francisco County | 4569 |
| 6 | Madera County | 2255 |
| 7 | Sacramento County | 1470 |
| 8 | Yuba County | 891 |
| 9 | Merced County | 759 |
| 10 | Solano County | 668 |
| 11 | Amador County | 544 |
| 12 | Shasta County | 541 |
| 13 | Tuolumne County | 508 |
| 14 | Butte County | 460 |
| 15 | Calaveras County | 274 |
| 15 | San Benito County | 274 |
| 16 | Sonoma County | 171 |
| 17 | Mono County | 112 |
| 17 | Nevada County | 112 |
| 18 | Colusa County | 53 |
| 19 | Lake County | 34 |
| 20 | Modoc County | -7 |
| 21 | Sierra County | -11 |
| 21 | Trinity County | -11 |
| 22 | Mariposa County | -23 |
| 23 | Alpine County | -33 |
| 24 | Del Norte County | -65 |
| 25 | San Luis Obispo County | -109 |
| 26 | Inyo County | -137 |
| 27 | Tehama County | -212 |
| 28 | Glenn County | -220 |
| 29 | Plumas County | -233 |
| 30 | Imperial County | -270 |
| 31 | El Dorado County | -339 |
| 32 | Kings County | -427 |
| 33 | Sutter County | -460 |
| 34 | Stanislaus County | -482 |
| 35 | Mendocino County | -487 |
| 36 | San Mateo County | -523 |
| 36 | Siskiyou County | -523 |
| 37 | Humboldt County | -543 |
| 38 | Tulare County | -710 |
| 39 | Contra Costa County | -798 |
| 40 | Yolo County | -828 |
| 41 | Napa County | -876 |
| 42 | Marin County | -1454 |
| 43 | Lassen County | -1584 |
| 44 | Santa Cruz County | -2459 |
| 45 | Fresno County | -2698 |
| 46 | Alameda County | -3349 |
| 47 | Monterey County | -3542 |
| 48 | San Bernardino County | -3811 |
| 49 | Ventura County | -3918 |
| 50 | Santa Barbara County | -4084 |
| 51 | Kern County | -5010 |
| 52 | San Diego County | -9708 |
| 53 | Orange County | -12020 |
| 54 | Los Angeles County | -39612 |
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