Federal Data Hub › IRS Migration Flows · JSON

Custer County, CO

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

Net migration: +42 tax returns · +62 people · +$7,771,000 AGI

Inflow
261 returns · 476 people · $23,262,000 AGI
Outflow
219 returns · 414 people · $15,491,000 AGI

Top origins (where new residents came from)

CountyReturnsAGI
El Paso County, CO33$3,631,000
Fremont County, CO24$1,244,000

Top destinations (where leavers went)

CountyReturnsAGI
El Paso County, CO29$1,726,000
Fremont County, CO23$1,546,000

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.