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County-to-county migration · IRS SOI · filing years 2022-2023
Net migration: +581 tax returns · +334 people · +$30,625,000 AGI
| County | Returns | AGI |
|---|---|---|
| Kootenai County, ID | 1,094 | $63,143,000 |
| King County, WA | 755 | $80,151,000 |
| Stevens County, WA | 520 | $28,436,000 |
| Snohomish County, WA | 346 | $25,410,000 |
| Pierce County, WA | 329 | $23,242,000 |
| Benton County, WA | 242 | $13,001,000 |
| Maricopa County, AZ | 237 | $17,864,000 |
| Whitman County, WA | 223 | $11,840,000 |
| Grant County, WA | 177 | $10,727,000 |
| San Diego County, CA | 176 | $13,537,000 |
| County | Returns | AGI |
|---|---|---|
| Kootenai County, ID | 969 | $77,205,000 |
| King County, WA | 716 | $43,283,000 |
| Stevens County, WA | 543 | $34,946,000 |
| Maricopa County, AZ | 331 | $26,850,000 |
| Pierce County, WA | 279 | $14,880,000 |
| Snohomish County, WA | 230 | $16,790,000 |
| Benton County, WA | 197 | $10,922,000 |
| Whitman County, WA | 187 | $8,374,000 |
| Pend Oreille County, WA | 183 | $11,063,000 |
| Clark County, WA | 172 | $10,226,000 |
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.