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County-to-county migration · IRS SOI · filing years 2022-2023
Net migration: -43 tax returns · +184 people · +$23,984,000 AGI
| County | Returns | AGI |
|---|---|---|
| Tehama County, CA | 355 | $19,047,000 |
| Sacramento County, CA | 206 | $13,311,000 |
| Butte County, CA | 159 | $10,789,000 |
| Humboldt County, CA | 123 | $7,661,000 |
| Los Angeles County, CA | 114 | $6,431,000 |
| Contra Costa County, CA | 101 | $19,544,000 |
| Siskiyou County, CA | 98 | $4,714,000 |
| Santa Clara County, CA | 89 | $8,195,000 |
| Alameda County, CA | 82 | $7,909,000 |
| Sonoma County, CA | 72 | $5,305,000 |
| County | Returns | AGI |
|---|---|---|
| Tehama County, CA | 340 | $20,020,000 |
| Butte County, CA | 172 | $8,276,000 |
| Sacramento County, CA | 156 | $7,969,000 |
| San Diego County, CA | 96 | $8,049,000 |
| Humboldt County, CA | 88 | $4,149,000 |
| Los Angeles County, CA | 78 | $4,006,000 |
| Siskiyou County, CA | 73 | $3,101,000 |
| Sonoma County, CA | 56 | $3,630,000 |
| Placer County, CA | 54 | $4,817,000 |
| Santa Clara County, CA | 51 | $3,951,000 |
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.