Contra Costa County, CA → Washington
Reported tax-filing households, individuals, and adjusted gross income that moved from Contra Costa County, CA to Washington, 2022–2023.
Households moved
610
People moved
927
Reported AGI moved
$104.84M
Avg. AGI per migrating return
$171,862
Avg. household size
1.52
Reported county-pair flows
6
County-by-county breakdown
| Origin | Destination | Households | People | Reported AGI |
|---|---|---|---|---|
| Contra Costa County, CA | King County, WA | 341 | 467 | $67.51M |
| Contra Costa County, CA | Clark County, WA | 77 | 123 | $11.20M |
| Contra Costa County, CA | Pierce County, WA | 77 | 129 | $9.77M |
| Contra Costa County, CA | Snohomish County, WA | 53 | 97 | $9.30M |
| Contra Costa County, CA | Kitsap County, WA | 35 | 63 | $4.28M |
| Contra Costa County, CA | Spokane County, WA | 27 | 48 | $2.78M |
IRS migration data does not represent every U.S. resident (non-filers are underrepresented), a mailing address does not always equal a physical residence, and AGI reflects Year 2 tax returns without proving income was earned after arrival. Use “income moved” or “reported AGI moved,” not “economic impact created.”