Federal Data Hub › IRS Migration Flows · JSON

Trinity County, CA

County-to-county migration · IRS SOI · filing years 2022-2023

Net migration: -4 tax returns · +23 people · +$1,306,000 AGI

Inflow
232 returns · 395 people · $13,126,000 AGI
Outflow
236 returns · 372 people · $11,820,000 AGI

Top origins (where new residents came from)

CountyReturnsAGI
Shasta County, CA42$2,629,000
Humboldt County, CA38$1,732,000

Top destinations (where leavers went)

CountyReturnsAGI
Shasta County, CA69$3,237,000
Humboldt County, CA37$1,788,000

IRS migration data tracks where tax filers lived in consecutive years. A "return" is roughly a household; "AGI" is the adjusted gross income that moved with them. Net migration = inflow − outflow. Small county-pair flows are suppressed by the IRS for privacy and shown blank.

Source: IRS SOI Migration Data. License: CC0 1.0.