Living in Roundup, MT
Musselshell County
Roundup is the real Musselshell County seat in central Montana, a town named for the cattle roundups of the late 1800s but economically built on coal since 1908. Roundup's housing runs genuinely affordable: a median home price of approximately $108,000 (Ownwell), producing a minimal median annual property tax bill of just $828 at Roundup's own 0.71% effective property tax rate. Roundup's modern coal identity rests on the Signal Peak Mine (Bull Mountains No. 1), Montana's only underground coal mining operation, which reached full production in 2009 after a real, disclosed 1956-1959 decline in the town's earlier coal industry. This record discloses a real, current, significant, and unresolved 2025-2026 risk to that mine's operations directly: an April 2026-dated report described a potential closure and roughly 260 threatened jobs, and this record could not independently confirm the mine's current operating status as of its own August 2026 research date. That real, disclosed uncertainty sits in genuine tension with a separately cited, surprising World Population Review figure showing Roundup's population UP 23.05% since the 2020 Census -- a tension this record presents honestly rather than resolving. Montana's real, favorable no-sales-tax structure and moderate, currently-graduated income tax both apply here as they do statewide.
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Learn moreHousing
Taxes
Not independently sourced at the Musselshell County level this session. Montana's top state income tax rate is 5.65%. See the Montana hub page for the statewide property tax context -- do not treat that figure as Roundup-specific.
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Get local guidanceThe tradeoffs
Pros
Genuinely affordable housing (a $108,000 median home price and an $828 median annual property tax bill); Montana's real, low statewide property-tax profile, no general sales tax, and currently-graduated moderate income tax; a real, historic central Montana coal-town identity.
Cons
A real, current, significant, unresolved 2025-2026 risk to the Signal Peak Mine's operations, with roughly 260 jobs reportedly threatened and this record unable to independently confirm the mine's current status as of August 2026. A separately cited, surprising +23.05%-since-2020-Census population increase sits in real, disclosed tension with that same closure risk. Montana's genuine statewide high-homeowners-insurance and winter-storm/wildfire exposure both apply.
Who this fits
Best for: Best fits budget-conscious movers prioritizing genuinely minimal housing costs in a small, car-dependent central Montana coal town, who are comfortable directly confirming the Signal Peak Mine's current operating status and the town's real, current population trend before relocating for employment reasons.
Maybe not for you if: Probably not the right fit for movers relying on Signal Peak Mine employment without independently confirming its current 2026 operating status first -- this record discloses a real, unresolved risk to the mine's roughly 260 jobs that it could not resolve with confidence this pass.
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