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County-to-county migration · IRS SOI · filing years 2022-2023
Net migration: -207 tax returns · -160 people · +$129,634,000 AGI
| County | Returns | AGI |
|---|---|---|
| Marin County, CA | 1,105 | $142,613,000 |
| San Francisco County, CA | 634 | $139,393,000 |
| Alameda County, CA | 540 | $80,108,000 |
| Los Angeles County, CA | 405 | $37,403,000 |
| Contra Costa County, CA | 338 | $41,562,000 |
| Napa County, CA | 317 | $24,268,000 |
| San Mateo County, CA | 296 | $66,658,000 |
| Santa Clara County, CA | 272 | $49,343,000 |
| Sacramento County, CA | 272 | $19,722,000 |
| Mendocino County, CA | 259 | $20,548,000 |
| County | Returns | AGI |
|---|---|---|
| Marin County, CA | 551 | $57,014,000 |
| San Francisco County, CA | 438 | $55,401,000 |
| Sacramento County, CA | 394 | $30,283,000 |
| Los Angeles County, CA | 349 | $28,284,000 |
| Alameda County, CA | 334 | $30,768,000 |
| San Diego County, CA | 295 | $25,072,000 |
| Lake County, CA | 281 | $18,398,000 |
| Solano County, CA | 249 | $17,707,000 |
| Contra Costa County, CA | 248 | $25,187,000 |
| Napa County, CA | 247 | $24,336,000 |
IRS migration data tracks where tax filers lived in consecutive years. A "return" is roughly a household; "AGI" is the adjusted gross income that moved with them. Net migration = inflow − outflow. Small county-pair flows are suppressed by the IRS for privacy and shown blank.
Source: IRS SOI Migration Data. License: CC0 1.0.