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County-to-county migration · IRS SOI · filing years 2022-2023
Net migration: +508 tax returns · +1,050 people · +$8,968,000 AGI
| County | Returns | AGI |
|---|---|---|
| Franklin County, WA | 1,501 | $80,563,000 |
| Yakima County, WA | 573 | $28,457,000 |
| King County, WA | 277 | $29,086,000 |
| Spokane County, WA | 197 | $10,922,000 |
| Grant County, WA | 174 | $10,998,000 |
| Walla Walla County, WA | 168 | $9,715,000 |
| Umatilla County, OR | 142 | $8,064,000 |
| Pierce County, WA | 125 | $9,379,000 |
| Snohomish County, WA | 115 | $10,945,000 |
| Clark County, WA | 87 | $7,273,000 |
| County | Returns | AGI |
|---|---|---|
| Franklin County, WA | 1,320 | $77,603,000 |
| Yakima County, WA | 346 | $16,619,000 |
| King County, WA | 281 | $20,326,000 |
| Spokane County, WA | 242 | $13,001,000 |
| Walla Walla County, WA | 143 | $7,521,000 |
| Umatilla County, OR | 143 | $6,452,000 |
| Maricopa County, AZ | 116 | $11,748,000 |
| Snohomish County, WA | 101 | $7,721,000 |
| Pierce County, WA | 99 | $6,898,000 |
| Grant County, WA | 89 | $4,667,000 |
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.