Contra Costa County, CA → Gallatin County, MT
Reported tax-filing households, individuals, and adjusted gross income that moved from Contra Costa County, CA to Gallatin County, MT, 2022–2023.
Households moved
27
People moved
40
Reported AGI moved
$3.80M
Avg. AGI per migrating return
$140,593
Avg. household size
1.48
Reported county-pair flows
1
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.”