Federal Data HubIRS Migration Flows · JSON

Humboldt County, CA

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

Net migration: -368 tax returns · -789 people · $-13,422,000 AGI

Inflow
2,533 returns · 3,644 people · $135,060,000 AGI
Outflow
2,901 returns · 4,433 people · $148,482,000 AGI

Top origins (where new residents came from)

CountyReturnsAGI
Los Angeles County, CA179$7,457,000
San Diego County, CA110$6,531,000
Sacramento County, CA107$6,602,000
Shasta County, CA88$4,149,000
Sonoma County, CA84$5,012,000
Orange County, CA69$2,961,000
Alameda County, CA64$4,112,000
Riverside County, CA57$2,464,000
Santa Clara County, CA52$3,061,000
Contra Costa County, CA52$3,065,000

Top destinations (where leavers went)

CountyReturnsAGI
Los Angeles County, CA136$5,563,000
Shasta County, CA123$7,661,000
Sacramento County, CA100$4,245,000
San Diego County, CA85$4,158,000
Sonoma County, CA72$5,051,000
Butte County, CA71$3,450,000
Alameda County, CA65$2,958,000
Multnomah County, OR49$2,248,000
Mendocino County, CA48$2,317,000
Jackson County, OR43$2,248,000

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.