Federal Data Hub › IRS Migration Flows · JSON
County-to-county migration · IRS SOI · filing years 2022-2023
Net migration: -800 tax returns · -1,240 people · $-38,934,000 AGI
| County | Returns | AGI |
|---|---|---|
| Benton County, WA | 346 | $16,619,000 |
| King County, WA | 304 | $23,942,000 |
| Grant County, WA | 180 | $5,971,000 |
| Spokane County, WA | 124 | $6,053,000 |
| Pierce County, WA | 124 | $7,231,000 |
| Kittitas County, WA | 114 | $5,956,000 |
| Snohomish County, WA | 93 | $6,132,000 |
| Franklin County, WA | 78 | $3,304,000 |
| Los Angeles County, CA | 67 | $2,795,000 |
| Maricopa County, AZ | 53 | $3,074,000 |
| County | Returns | AGI |
|---|---|---|
| Benton County, WA | 573 | $28,457,000 |
| King County, WA | 388 | $18,233,000 |
| Grant County, WA | 194 | $5,029,000 |
| Spokane County, WA | 169 | $8,228,000 |
| Pierce County, WA | 138 | $9,275,000 |
| Franklin County, WA | 137 | $5,573,000 |
| Kittitas County, WA | 136 | $6,113,000 |
| Snohomish County, WA | 106 | $5,418,000 |
| Maricopa County, AZ | 84 | $10,910,000 |
| Clark County, WA | 65 | $4,425,000 |
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.