Federal Data Hub › IRS Migration Flows · JSON
County-to-county migration · IRS SOI · filing years 2022-2023
Net migration: +335 tax returns · +602 people · +$44,250,000 AGI
| County | Returns | AGI |
|---|---|---|
| Kitsap County, WA | 382 | $26,269,000 |
| Thurston County, WA | 366 | $24,227,000 |
| Pierce County, WA | 288 | $21,777,000 |
| King County, WA | 233 | $24,004,000 |
| Grays Harbor County, WA | 84 | $4,153,000 |
| Snohomish County, WA | 62 | $6,075,000 |
| Clark County, WA | 33 | $3,553,000 |
| Lewis County, WA | 27 | $1,721,000 |
| Multnomah County, OR | 27 | $2,106,000 |
| Clallam County, WA | 23 | $1,952,000 |
| County | Returns | AGI |
|---|---|---|
| Thurston County, WA | 361 | $19,196,000 |
| Kitsap County, WA | 281 | $18,296,000 |
| Pierce County, WA | 194 | $15,353,000 |
| King County, WA | 114 | $9,595,000 |
| Grays Harbor County, WA | 74 | $3,947,000 |
| Snohomish County, WA | 42 | $2,389,000 |
| Lewis County, WA | 36 | $2,230,000 |
| Maricopa County, AZ | 34 | $3,932,000 |
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.