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County-to-county migration · IRS SOI · filing years 2022-2023
Net migration: -2,414 tax returns · -4,550 people · $-19,181,000 AGI
| County | Returns | AGI |
|---|---|---|
| Santa Cruz County, CA | 721 | $57,009,000 |
| Santa Clara County, CA | 577 | $120,768,000 |
| Los Angeles County, CA | 299 | $31,464,000 |
| San Diego County, CA | 226 | $21,344,000 |
| Sacramento County, CA | 178 | $13,382,000 |
| Fresno County, CA | 172 | $10,792,000 |
| Alameda County, CA | 170 | $29,644,000 |
| San Benito County, CA | 155 | $13,498,000 |
| San Luis Obispo County, CA | 126 | $8,356,000 |
| San Mateo County, CA | 109 | $39,813,000 |
| County | Returns | AGI |
|---|---|---|
| Santa Clara County, CA | 606 | $53,471,000 |
| Santa Cruz County, CA | 545 | $32,683,000 |
| Los Angeles County, CA | 346 | $24,056,000 |
| San Diego County, CA | 310 | $14,708,000 |
| Sacramento County, CA | 259 | $15,058,000 |
| San Benito County, CA | 234 | $15,721,000 |
| Fresno County, CA | 212 | $12,582,000 |
| Yuma County, AZ | 201 | $7,533,000 |
| Alameda County, CA | 181 | $12,514,000 |
| Merced County, CA | 171 | $8,144,000 |
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.