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County-to-county migration · IRS SOI · filing years 2022-2023
Net migration: +267 tax returns · +405 people · +$40,740,000 AGI
| County | Returns | AGI |
|---|---|---|
| King County, WA | 203 | $26,395,000 |
| Kitsap County, WA | 146 | $13,357,000 |
| Clallam County, WA | 80 | $5,223,000 |
| Snohomish County, WA | 64 | $8,089,000 |
| Pierce County, WA | 61 | $5,579,000 |
| Multnomah County, OR | 28 | $1,661,000 |
| Whatcom County, WA | 24 | $1,702,000 |
| Los Angeles County, CA | 21 | $1,545,000 |
| Maricopa County, AZ | 21 | $1,671,000 |
| County | Returns | AGI |
|---|---|---|
| Kitsap County, WA | 142 | $10,797,000 |
| King County, WA | 109 | $10,515,000 |
| Clallam County, WA | 93 | $8,444,000 |
| Pierce County, WA | 41 | $3,021,000 |
| Snohomish County, WA | 34 | $2,305,000 |
| Thurston County, WA | 31 | $1,433,000 |
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.