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County-to-county migration · IRS SOI · filing years 2022-2023
Net migration: +175 tax returns · +333 people · +$63,549,000 AGI
| County | Returns | AGI |
|---|---|---|
| King County, WA | 439 | $95,286,000 |
| Yakima County, WA | 136 | $6,113,000 |
| Snohomish County, WA | 131 | $12,073,000 |
| Pierce County, WA | 130 | $10,640,000 |
| Grant County, WA | 47 | $2,493,000 |
| Benton County, WA | 47 | $2,020,000 |
| Chelan County, WA | 36 | $1,886,000 |
| Spokane County, WA | 35 | $1,270,000 |
| Thurston County, WA | 34 | $1,507,000 |
| Kitsap County, WA | 34 | $1,704,000 |
| County | Returns | AGI |
|---|---|---|
| King County, WA | 265 | $19,998,000 |
| Pierce County, WA | 124 | $5,891,000 |
| Yakima County, WA | 114 | $5,956,000 |
| Snohomish County, WA | 81 | $4,910,000 |
| Benton County, WA | 55 | $3,405,000 |
| Spokane County, WA | 51 | $2,622,000 |
| Grant County, WA | 39 | $2,572,000 |
| Chelan County, WA | 37 | $2,570,000 |
| Thurston County, WA | 36 | $1,581,000 |
| Maricopa County, AZ | 34 | $2,401,000 |
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.