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County-to-county migration · IRS SOI · filing years 2022-2023
Net migration: +582 tax returns · +806 people · +$60,066,000 AGI
| County | Returns | AGI |
|---|---|---|
| King County, WA | 1,004 | $97,366,000 |
| Snohomish County, WA | 514 | $33,606,000 |
| Skagit County, WA | 450 | $27,348,000 |
| Pierce County, WA | 178 | $8,779,000 |
| Island County, WA | 140 | $6,442,000 |
| Spokane County, WA | 136 | $6,756,000 |
| Thurston County, WA | 115 | $10,918,000 |
| Kitsap County, WA | 109 | $5,526,000 |
| Clark County, WA | 102 | $5,695,000 |
| Multnomah County, OR | 95 | $8,045,000 |
| County | Returns | AGI |
|---|---|---|
| King County, WA | 834 | $49,880,000 |
| Skagit County, WA | 498 | $36,102,000 |
| Snohomish County, WA | 470 | $27,397,000 |
| Pierce County, WA | 180 | $10,354,000 |
| Maricopa County, AZ | 141 | $11,193,000 |
| Spokane County, WA | 110 | $5,406,000 |
| Island County, WA | 104 | $6,404,000 |
| Clark County, WA | 91 | $4,043,000 |
| Multnomah County, OR | 90 | $4,867,000 |
| Kitsap County, WA | 86 | $3,537,000 |
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.