Federal Data Hub › IRS Migration Flows · JSON

Broadwater County, MT

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

Net migration: +96 tax returns · +218 people · +$11,931,000 AGI

Inflow
323 returns · 625 people · $25,560,000 AGI
Outflow
227 returns · 407 people · $13,629,000 AGI

Top origins (where new residents came from)

CountyReturnsAGI
Gallatin County, MT107$10,022,000
Lewis and Clark County, MT54$3,434,000

Top destinations (where leavers went)

CountyReturnsAGI
Lewis and Clark County, MT53$2,791,000
Gallatin County, MT44$2,603,000

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.