Sweet Grass County, MT home prices

Sweet Grass County, MT: the typical home is worth $478,650 as of 2026-05, up +10.5% over the past year and n/a since 2000. Listings run about $266/sq ft…

Data as of May 2026 · by the Real Estate Price Map data team · methodology & sources

1998: $114,578 → 2026: $478,650 (4.2×) pre-2000 estimated via FHFA index

Market read

At $478,650, homes in Sweet Grass County sit 62% above the Montana median ($295,165) and 105% above the US median ($233,954). That ranks #12 of 56 Montana counties by price.

Prices are climbing fast (+10.5% in the last year) — a seller's market.

Homes here take a while to sell — a median 73 days on the market, with 9% of listings cutting their asking price.

At 6.8× local income, that's pricier than the typical US county (~3.8×).

Against the typical US price-to-income and price-to-rent, homes here look ~81% expensive for local incomes and rents.

Home value history

Zillow ZHVI, monthly from 2000 · recessions shaded. See the full 1975 history on the interactive map →

Nearby counties

Stillwater County, MT ($483,033) · Park County, MT ($613,556) · Wheatland County, MT ($184,960) · Golden Valley County, MT ($237,649) · Carbon County, MT ($514,732) · Gallatin County, MT ($705,755)