Federal Data Hub › IRS Migration Flows · JSON
County-to-county migration · IRS SOI · filing years 2022-2023
Net migration: +112 tax returns · +159 people · +$10,587,000 AGI
| County | Returns | AGI |
|---|---|---|
| Gallatin County, MT | 70 | $3,437,000 |
| Deer Lodge County, MT | 67 | $3,307,000 |
| Missoula County, MT | 54 | $2,750,000 |
| Lewis and Clark County, MT | 51 | $2,144,000 |
| Yellowstone County, MT | 37 | $2,201,000 |
| Jefferson County, MT | 29 | $1,318,000 |
| Cascade County, MT | 26 | $1,026,000 |
| Flathead County, MT | 23 | $1,249,000 |
| County | Returns | AGI |
|---|---|---|
| Missoula County, MT | 76 | $2,629,000 |
| Deer Lodge County, MT | 60 | $3,398,000 |
| Lewis and Clark County, MT | 53 | $3,067,000 |
| Gallatin County, MT | 52 | $2,908,000 |
| Yellowstone County, MT | 46 | $1,762,000 |
| Jefferson County, MT | 25 | $1,332,000 |
| Beaverhead County, MT | 25 | $1,130,000 |
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.