Washington → Ada County, ID
Reported tax-filing households, individuals, and adjusted gross income that moved from Washington to Ada County, ID, 2022–2023.
Households moved
1,158
People moved
1,958
Reported AGI moved
$120.43M
Avg. AGI per migrating return
$104,002
Avg. household size
1.69
Reported county-pair flows
11
County-by-county breakdown
| Origin | Destination | Households | People | Reported AGI |
|---|---|---|---|---|
| King County, WA | Ada County, ID | 367 | 597 | $51.55M |
| Pierce County, WA | Ada County, ID | 177 | 296 | $15.67M |
| Snohomish County, WA | Ada County, ID | 124 | 236 | $12.86M |
| Clark County, WA | Ada County, ID | 133 | 243 | $12.42M |
| Benton County, WA | Ada County, ID | 64 | 119 | $8.34M |
| Spokane County, WA | Ada County, ID | 131 | 214 | $8.31M |
| Thurston County, WA | Ada County, ID | 48 | 89 | $3.60M |
| Whatcom County, WA | Ada County, ID | 36 | 45 | $2.29M |
| Kitsap County, WA | Ada County, ID | 33 | 52 | $2.26M |
| Yakima County, WA | Ada County, ID | 24 | 44 | $2.23M |
| Asotin County, WA | Ada County, ID | 21 | 23 | $909.0K |
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.”