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County-to-county migration · IRS SOI · filing years 2022-2023
Net migration: -1,033 tax returns · -1,336 people · +$241,042,000 AGI
| County | Returns | AGI |
|---|---|---|
| San Francisco County, CA | 1,364 | $550,504,000 |
| Sonoma County, CA | 551 | $57,014,000 |
| Alameda County, CA | 424 | $94,370,000 |
| Contra Costa County, CA | 324 | $45,671,000 |
| Los Angeles County, CA | 293 | $72,858,000 |
| San Mateo County, CA | 263 | $67,252,000 |
| Santa Clara County, CA | 165 | $47,893,000 |
| San Diego County, CA | 129 | $18,762,000 |
| Solano County, CA | 119 | $9,581,000 |
| Sacramento County, CA | 86 | $8,051,000 |
| County | Returns | AGI |
|---|---|---|
| Sonoma County, CA | 1,105 | $142,613,000 |
| San Francisco County, CA | 786 | $187,357,000 |
| Alameda County, CA | 355 | $45,709,000 |
| Contra Costa County, CA | 354 | $73,441,000 |
| Los Angeles County, CA | 301 | $51,301,000 |
| Solano County, CA | 209 | $16,151,000 |
| San Mateo County, CA | 182 | $40,192,000 |
| San Diego County, CA | 180 | $31,170,000 |
| New York County, NY | 157 | $22,562,000 |
| Santa Clara County, CA | 148 | $28,624,000 |
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.