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County-to-county migration · IRS SOI · filing years 2022-2023
Net migration: +92 tax returns · +385 people · +$16,024,000 AGI
| County | Returns | AGI |
|---|---|---|
| Spokane County, WA | 543 | $34,946,000 |
| Snohomish County, WA | 40 | $3,959,000 |
| Pierce County, WA | 38 | $2,899,000 |
| King County, WA | 37 | $3,103,000 |
| Ferry County, WA | 32 | $1,545,000 |
| Kootenai County, ID | 31 | $1,741,000 |
| Pend Oreille County, WA | 24 | $1,365,000 |
| County | Returns | AGI |
|---|---|---|
| Spokane County, WA | 520 | $28,436,000 |
| King County, WA | 39 | $4,715,000 |
| Ferry County, WA | 27 | $1,374,000 |
| Kootenai County, ID | 24 | $1,372,000 |
| Snohomish County, WA | 21 | $1,272,000 |
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.