Ranking of California Counties By Net International Migration Rate per 1K in 2015
Updated on June 18, 2025.
Based on the US Census Vintage data estimates, in 2015, the Net International Migration Rate per 1K for California was 3.96. Among all California counties, Santa Clara County had the highest net international migration rate (11.58), followed by San Francisco County (8.68), and Alameda County (8.61).
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 Rate per 1K in 2015
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| Rank | County | Net Intl. Migration Rate |
|---|---|---|
| 1 | Santa Clara County | 11.58 |
| 2 | San Francisco County | 8.68 |
| 3 | Alameda County | 8.61 |
| 4 | Mono County | 7.66 |
| 5 | San Mateo County | 7.53 |
| 6 | Yolo County | 7.01 |
| 7 | San Diego County | 5.14 |
| 8 | Contra Costa County | 4.59 |
| 9 | Los Angeles County | 4.13 |
| 10 | Orange County | 4.04 |
| 11 | Sacramento County | 3.83 |
| 12 | Santa Barbara County | 3.48 |
| 13 | Sutter County | 3.04 |
| 14 | Imperial County | 2.9 |
| 15 | Marin County | 2.88 |
| 16 | San Joaquin County | 2.48 |
| 17 | Solano County | 2.16 |
| 18 | Monterey County | 2.07 |
| 19 | Alpine County | 1.85 |
| 19 | Shasta County | 1.85 |
| 20 | Fresno County | 1.84 |
| 21 | Yuba County | 1.78 |
| 22 | Ventura County | 1.64 |
| 23 | Kings County | 1.5 |
| 24 | Stanislaus County | 1.44 |
| 25 | Santa Cruz County | 1.38 |
| 26 | Kern County | 1.37 |
| 27 | Riverside County | 1.27 |
| 28 | San Bernardino County | 1.26 |
| 29 | Sonoma County | 1.25 |
| 30 | Placer County | 1.16 |
| 31 | Butte County | 1.15 |
| 32 | Napa County | 1.14 |
| 33 | Inyo County | 1.1 |
| 33 | Modoc County | 1.1 |
| 34 | El Dorado County | 1.09 |
| 35 | Amador County | 1 |
| 36 | Calaveras County | 0.92 |
| 37 | San Luis Obispo County | 0.81 |
| 38 | Mariposa County | 0.79 |
| 39 | Merced County | 0.68 |
| 40 | Tuolumne County | 0.63 |
| 41 | Tulare County | 0.51 |
| 42 | Siskiyou County | 0.49 |
| 43 | Lassen County | 0.35 |
| 44 | Humboldt County | 0.34 |
| 45 | Del Norte County | 0.33 |
| 46 | Nevada County | 0.32 |
| 47 | Plumas County | 0.16 |
| 48 | Madera County | 0.01 |
| 49 | Mendocino County | 0 |
| 49 | San Benito County | 0 |
| 49 | Sierra County | 0 |
| 50 | Lake County | -0.05 |
| 51 | Trinity County | -0.15 |
| 52 | Glenn County | -0.4 |
| 52 | Tehama County | -0.4 |
| 53 | Colusa County | -0.57 |