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County-to-county migration · IRS SOI · filing years 2022-2023
Net migration: +88 tax returns · +262 people · +$14,656,000 AGI
| County | Returns | AGI |
|---|---|---|
| Missoula County, MT | 26 | $921,000 |
| Flathead County, MT | 25 | $1,014,000 |
| Lake County, MT | 22 | $1,448,000 |
| County | Returns | AGI |
|---|---|---|
| Flathead County, MT | 27 | $1,342,000 |
| Missoula County, MT | 22 | $1,085,000 |
| Lake County, MT | 21 | $758,000 |
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.