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County-to-county migration · IRS SOI · filing years 2022-2023
Net migration: -248 tax returns · -395 people · $-12,090,000 AGI
| County | Returns | AGI |
|---|---|---|
| Sonoma County, CA | 231 | $14,318,000 |
| Lake County, CA | 122 | $5,920,000 |
| Alameda County, CA | 59 | $6,434,000 |
| Sacramento County, CA | 57 | $2,261,000 |
| Los Angeles County, CA | 55 | $4,442,000 |
| Humboldt County, CA | 48 | $2,317,000 |
| San Francisco County, CA | 41 | $5,855,000 |
| San Diego County, CA | 37 | $2,743,000 |
| Contra Costa County, CA | 36 | $3,100,000 |
| Santa Clara County, CA | 35 | $4,620,000 |
| County | Returns | AGI |
|---|---|---|
| Sonoma County, CA | 259 | $20,548,000 |
| Lake County, CA | 141 | $6,295,000 |
| Sacramento County, CA | 68 | $3,893,000 |
| Los Angeles County, CA | 50 | $2,391,000 |
| San Francisco County, CA | 43 | $3,046,000 |
| Alameda County, CA | 41 | $4,546,000 |
| Humboldt County, CA | 35 | $1,789,000 |
| Contra Costa County, CA | 34 | $4,275,000 |
| Butte County, CA | 32 | $2,344,000 |
| San Diego County, CA | 28 | $2,114,000 |
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.