Flathead County, MT
Migration of people and income, 2022–2023 filing years
Between the 2022 and 2023 filing years, Flathead County, MT saw a net gain of 652 tax-filing households and a net gain of 1,288 individuals. On net, the area gained $120.6M in associated adjusted gross income (AGI, nominal dollars). The largest inflow came from Missoula County; the largest outflow went to Missoula County. These figures cover federal income tax filers only and do not indicate why people moved.
Income (AGI) in and out
Where movers came from
- 1Missoula County, MT164$8.6M
- 2Gallatin County, MT137$8.2M
- 3Lake County, MT125$8.4M
- 4Lincoln County, MT83$6.6M
- 5King County, WA82$15.0M
- 6Los Angeles County, CA77$12.3M
- 7San Diego County, CA70$9.8M
- 8Maricopa County, AZ66$6.7M
- 9Spokane County, WA62$3.1M
- 10Orange County, CA57$12.4M
Where movers went
- 1Missoula County, MT166$8.7M
- 2Lincoln County, MT122$7.9M
- 3Lake County, MT118$10.2M
- 4Gallatin County, MT100$6.3M
- 5Maricopa County, AZ68$8.4M
- 6King County, WA49$7.4M
- 7Lewis and Clark County, MT43$2.4M
- 8Cascade County, MT42$2.2M
- 9Spokane County, WA40$1.9M
- 10Clark County, NV39$3.1M
Net migration by year
| Year | Net AGI | Net people |
|---|---|---|
| 2012 | +$32.9M | +839 |
| 2013 | +$74.5M | +1,329 |
| 2014 | +$34.4M | +997 |
| 2015 | +$29.0M | +496 |
| 2016 | +$98.9M | +1,570 |
| 2017 | +$155.9M | +2,753 |
| 2018 | +$92.4M | +1,393 |
| 2019 | +$154.7M | +1,636 |
| 2020 | +$237.6M | +2,915 |
| 2021 | +$201.6M | +3,213 |
| 2022 | +$263.0M | +1,930 |
| 2023 | +$120.6M | +1,288 |
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Source: IRS Statistics of Income migration data (public domain). Covers federal income tax filers only; AGI is nominal (not inflation adjusted). These numbers describe movement of filers and their reported income, not why people moved or economic loss. Methodology and caveats.