Federal Data Hub › IRS Migration Flows · JSON

Glacier County, MT

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

Net migration: -11 tax returns · -24 people · $-3,848,000 AGI

Inflow
178 returns · 324 people · $8,358,000 AGI
Outflow
189 returns · 348 people · $12,206,000 AGI

Top origins (where new residents came from)

CountyReturnsAGI
Cascade County, MT24$599,000

Top destinations (where leavers went)

CountyReturnsAGI
Cascade County, MT37$4,267,000
Missoula County, MT23$716,000

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.