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Lake County, MT

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

Net migration: +184 tax returns · +389 people · +$29,352,000 AGI

Inflow
915 returns · 1,618 people · $75,204,000 AGI
Outflow
731 returns · 1,229 people · $45,852,000 AGI

Top origins (where new residents came from)

CountyReturnsAGI
Missoula County, MT152$10,466,000
Flathead County, MT118$10,176,000
Yellowstone County, MT23$1,487,000
Gallatin County, MT23$1,621,000
Sanders County, MT21$758,000

Top destinations (where leavers went)

CountyReturnsAGI
Missoula County, MT125$6,125,000
Flathead County, MT125$8,403,000
Sanders County, MT22$1,448,000

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.