Migration + Wealth Flow Explorer

Santa Clara County, CABoulder County, CO

Reported tax-filing households, individuals, and adjusted gross income that moved from Santa Clara County, CA to Boulder County, CO, 2022–2023.

Households moved

105

People moved

172

Reported AGI moved

$22.14M

Avg. AGI per migrating return

$210,848

Avg. household size

1.64

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.”