Federal Data Hub › IRS Migration Flows · JSON

Granite County, MT

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

Net migration: +69 tax returns · +104 people · +$5,625,000 AGI

Inflow: 157 returns · 246 people · $11,494,000 AGI
Outflow: 88 returns · 142 people · $5,869,000 AGI

Top origins (where new residents came from)

County	Returns	AGI
Missoula County, MT	31	$2,274,000

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.