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County-to-county migration · IRS SOI · filing years 2022-2023
Net migration: +1,587 tax returns · +1,846 people · +$281,993,000 AGI
| County | Returns | AGI |
|---|---|---|
| Multnomah County, OR | 2,886 | $282,474,000 |
| Washington County, OR | 1,206 | $146,931,000 |
| Clackamas County, OR | 886 | $98,172,000 |
| Cowlitz County, WA | 744 | $46,628,000 |
| King County, WA | 520 | $58,693,000 |
| Los Angeles County, CA | 351 | $42,254,000 |
| Maricopa County, AZ | 285 | $29,767,000 |
| Pierce County, WA | 236 | $18,222,000 |
| San Diego County, CA | 203 | $21,996,000 |
| Clark County, NV | 185 | $15,039,000 |
| County | Returns | AGI |
|---|---|---|
| Multnomah County, OR | 1,939 | $117,065,000 |
| Cowlitz County, WA | 955 | $69,797,000 |
| Washington County, OR | 720 | $47,036,000 |
| Clackamas County, OR | 639 | $46,198,000 |
| King County, WA | 547 | $52,959,000 |
| Maricopa County, AZ | 424 | $45,742,000 |
| Pierce County, WA | 218 | $19,268,000 |
| Spokane County, WA | 162 | $13,724,000 |
| Clark County, NV | 155 | $17,667,000 |
| Thurston County, WA | 153 | $10,021,000 |
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.