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County-to-county migration · IRS SOI · filing years 2022-2023
Net migration: +1,117 tax returns · +559 people · +$160,175,000 AGI
| County | Returns | AGI |
|---|---|---|
| King County, WA | 9,291 | $753,436,000 |
| Thurston County, WA | 1,623 | $99,866,000 |
| Kitsap County, WA | 871 | $69,152,000 |
| Snohomish County, WA | 808 | $61,600,000 |
| Los Angeles County, CA | 419 | $30,799,000 |
| Maricopa County, AZ | 409 | $48,280,000 |
| Honolulu County, HI | 345 | $21,061,000 |
| San Diego County, CA | 323 | $26,644,000 |
| Spokane County, WA | 279 | $14,880,000 |
| Clark County, NV | 255 | $15,474,000 |
| County | Returns | AGI |
|---|---|---|
| King County, WA | 6,086 | $415,816,000 |
| Thurston County, WA | 2,030 | $136,781,000 |
| Kitsap County, WA | 1,090 | $83,905,000 |
| Maricopa County, AZ | 723 | $72,639,000 |
| Snohomish County, WA | 637 | $41,275,000 |
| Spokane County, WA | 329 | $23,242,000 |
| Los Angeles County, CA | 314 | $18,351,000 |
| Lewis County, WA | 301 | $19,516,000 |
| Honolulu County, HI | 293 | $17,500,000 |
| Clark County, NV | 289 | $22,934,000 |
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.