Stillwater County, MT

Migration of people and income, 2022–2023 filing years

Between the 2022 and 2023 filing years, Stillwater County, MT saw a net loss of 30 tax-filing households and a net gain of 26 individuals. On net, the area gained $1.4M in associated adjusted gross income (AGI, nominal dollars). The largest inflow came from Yellowstone County; the largest outflow went to Yellowstone County. These figures cover federal income tax filers only and do not indicate why people moved.

Net income (AGI)

+$1.4M

nominal dollars

Net households

-30

tax returns

Net people

+26

exemptions

Income (AGI) in and out

Moved in$21.8M

Moved out$20.4M

Net +$1.4M (nominal)

Where movers came from

1Yellowstone County, MT91$6.6M
2Gallatin County, MT21$1.8M

Where movers went

1Yellowstone County, MT111$7.8M

Net migration by year

Net 2012–2023: +$63.4M (+1,322 people)

20122023

Net AGI and net people by year (nominal dollars)
Year	Net AGI	Net people
2012	+$5.2M	+179
2013	+$1.8M	+108
2014	-$769.0K	+5
2015	+$904.0K	+83
2016	+$3.9M	+1
2017	+$4.9M	+167
2018	+$5.2M	+124
2019	+$4.9M	+37
2020	+$11.0M	+223
2021	+$17.9M	+208
2022	+$7.1M	+161
2023	+$1.4M	+26

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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.