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County-to-county migration · IRS SOI · filing years 2022-2023
Net migration: +21 tax returns · +97 people · +$15,159,000 AGI
| County | Returns | AGI |
|---|---|---|
| San Joaquin County, CA | 247 | $18,794,000 |
| Contra Costa County, CA | 99 | $14,240,000 |
| Sacramento County, CA | 98 | $8,168,000 |
| Stanislaus County, CA | 90 | $6,294,000 |
| Tuolumne County, CA | 83 | $4,651,000 |
| Amador County, CA | 77 | $3,528,000 |
| Alameda County, CA | 73 | $13,582,000 |
| Santa Clara County, CA | 67 | $9,721,000 |
| Los Angeles County, CA | 30 | $2,348,000 |
| San Mateo County, CA | 28 | $3,446,000 |
| County | Returns | AGI |
|---|---|---|
| San Joaquin County, CA | 159 | $10,135,000 |
| Tuolumne County, CA | 102 | $5,163,000 |
| Sacramento County, CA | 87 | $4,882,000 |
| Amador County, CA | 86 | $4,848,000 |
| Stanislaus County, CA | 74 | $5,030,000 |
| Alameda County, CA | 36 | $2,806,000 |
| Santa Clara County, CA | 35 | $5,304,000 |
| Contra Costa County, CA | 33 | $6,151,000 |
| Placer County, CA | 28 | $2,157,000 |
| El Dorado County, CA | 22 | $1,482,000 |
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.