Migration + Wealth Flow Explorer

CaliforniaMiddlesex County, MA

Reported tax-filing households, individuals, and adjusted gross income that moved from California to Middlesex County, MA, 2022–2023.

Households moved

2,230

People moved

3,084

Reported AGI moved

$292.51M

Avg. AGI per migrating return

$131,170

Avg. household size

1.38

Reported county-pair flows

16

County-by-county breakdown

OriginDestinationHouseholdsPeopleReported AGI
Santa Clara County, CAMiddlesex County, MA279398$54.16M
Los Angeles County, CAMiddlesex County, MA555710$54.02M
San Francisco County, CAMiddlesex County, MA211276$43.77M
Alameda County, CAMiddlesex County, MA254343$31.44M
San Diego County, CAMiddlesex County, MA291429$27.64M
San Mateo County, CAMiddlesex County, MA121185$27.58M
Orange County, CAMiddlesex County, MA163230$15.08M
Contra Costa County, CAMiddlesex County, MA66104$8.70M
Ventura County, CAMiddlesex County, MA4567$6.90M
Marin County, CAMiddlesex County, MA3246$5.74M
Sonoma County, CAMiddlesex County, MA2537$3.80M
Santa Barbara County, CAMiddlesex County, MA3748$3.47M
Riverside County, CAMiddlesex County, MA4562$3.13M
San Bernardino County, CAMiddlesex County, MA4255$2.46M
Yolo County, CAMiddlesex County, MA2843$2.42M
Sacramento County, CAMiddlesex County, MA3651$2.19M

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.”