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County-to-county migration · IRS SOI · filing years 2022-2023
Net migration: +241 tax returns · +693 people · +$37,599,000 AGI
| County | Returns | AGI |
|---|---|---|
| Clark County, WA | 955 | $69,797,000 |
| Multnomah County, OR | 149 | $10,175,000 |
| Lewis County, WA | 134 | $7,103,000 |
| Columbia County, OR | 115 | $6,091,000 |
| Washington County, OR | 86 | $8,101,000 |
| King County, WA | 81 | $5,736,000 |
| Pierce County, WA | 75 | $5,196,000 |
| Clackamas County, OR | 74 | $6,463,000 |
| Thurston County, WA | 45 | $2,332,000 |
| Maricopa County, AZ | 41 | $3,368,000 |
| County | Returns | AGI |
|---|---|---|
| Clark County, WA | 744 | $46,628,000 |
| Lewis County, WA | 171 | $13,568,000 |
| Multnomah County, OR | 119 | $4,807,000 |
| Columbia County, OR | 84 | $5,244,000 |
| King County, WA | 78 | $5,530,000 |
| Thurston County, WA | 65 | $3,398,000 |
| Maricopa County, AZ | 56 | $3,911,000 |
| Washington County, OR | 54 | $3,485,000 |
| Pierce County, WA | 52 | $3,188,000 |
| Clackamas County, OR | 41 | $2,636,000 |
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.