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County-to-county migration · IRS SOI · filing years 2022-2023
Net migration: -180 tax returns · +158 people · $-2,695,000 AGI
| County | Returns | AGI |
|---|---|---|
| Contra Costa County, CA | 2,151 | $177,875,000 |
| Alameda County, CA | 995 | $85,524,000 |
| Napa County, CA | 796 | $55,976,000 |
| Sacramento County, CA | 739 | $47,882,000 |
| Yolo County, CA | 422 | $29,027,000 |
| San Mateo County, CA | 381 | $36,076,000 |
| San Francisco County, CA | 381 | $32,311,000 |
| Santa Clara County, CA | 313 | $33,944,000 |
| Sonoma County, CA | 249 | $17,707,000 |
| Los Angeles County, CA | 234 | $15,759,000 |
| County | Returns | AGI |
|---|---|---|
| Contra Costa County, CA | 1,294 | $101,258,000 |
| Sacramento County, CA | 1,057 | $66,699,000 |
| Alameda County, CA | 690 | $43,739,000 |
| Napa County, CA | 567 | $39,604,000 |
| Yolo County, CA | 461 | $31,116,000 |
| San Francisco County, CA | 349 | $22,774,000 |
| Los Angeles County, CA | 260 | $15,920,000 |
| Sonoma County, CA | 240 | $18,178,000 |
| San Joaquin County, CA | 237 | $13,205,000 |
| Santa Clara County, CA | 216 | $16,469,000 |
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.