Ranking of California Counties By Net International Migration in 2015
Updated on June 18, 2025.
Based on the US Census Vintage data estimates, in 2015, the Net International Migration for California was 153.57K. Among all California counties, Los Angeles County had the highest net international migration (41.54K), followed by Santa Clara County (22.04K), and San Diego County (16.77K).
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.
Related Topics: California Census Vintage Data Topic List.
Data Source: US Census Bureau (Vintage), 2015 Census.
See this for other years:
Ranking of California Counties By Net International Migration in 2015
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| Rank | County | Net Intl. Migration |
|---|---|---|
| 1 | Los Angeles County | 41539 |
| 2 | Santa Clara County | 22035 |
| 3 | San Diego County | 16772 |
| 4 | Alameda County | 13960 |
| 5 | Orange County | 12679 |
| 6 | San Francisco County | 7437 |
| 7 | San Mateo County | 5733 |
| 8 | Sacramento County | 5686 |
| 9 | Contra Costa County | 5125 |
| 10 | Riverside County | 2956 |
| 11 | San Bernardino County | 2654 |
| 12 | Fresno County | 1778 |
| 13 | San Joaquin County | 1777 |
| 14 | Santa Barbara County | 1533 |
| 15 | Yolo County | 1473 |
| 16 | Ventura County | 1383 |
| 17 | Kern County | 1197 |
| 18 | Solano County | 931 |
| 19 | Monterey County | 890 |
| 20 | Stanislaus County | 761 |
| 21 | Marin County | 751 |
| 22 | Sonoma County | 627 |
| 23 | Imperial County | 516 |
| 24 | Placer County | 432 |
| 25 | Santa Cruz County | 376 |
| 26 | Shasta County | 331 |
| 27 | Sutter County | 289 |
| 28 | Butte County | 257 |
| 29 | Tulare County | 234 |
| 30 | San Luis Obispo County | 226 |
| 31 | Kings County | 225 |
| 32 | El Dorado County | 201 |
| 33 | Merced County | 179 |
| 34 | Napa County | 160 |
| 35 | Yuba County | 131 |
| 36 | Mono County | 108 |
| 37 | Humboldt County | 46 |
| 38 | Calaveras County | 41 |
| 39 | Amador County | 37 |
| 40 | Tuolumne County | 34 |
| 41 | Nevada County | 32 |
| 42 | Siskiyou County | 21 |
| 43 | Inyo County | 20 |
| 44 | Mariposa County | 14 |
| 45 | Lassen County | 11 |
| 46 | Modoc County | 10 |
| 47 | Del Norte County | 9 |
| 48 | Plumas County | 3 |
| 49 | Alpine County | 2 |
| 49 | Madera County | 2 |
| 50 | Mendocino County | 0 |
| 50 | San Benito County | 0 |
| 50 | Sierra County | 0 |
| 51 | Trinity County | -2 |
| 52 | Lake County | -3 |
| 53 | Glenn County | -11 |
| 54 | Colusa County | -12 |
| 55 | Tehama County | -25 |