County market report · FIPS 30097
Sweet Grass County, MT
Outside a metro area · Population 3,684 (Census V2020 est.)
Typical value
$481,714
Sep 2026
1M
+0.4%
3M
+1.7%
12M
+10.1%
5Y
+55.2%
10Y
+167.2%
From peak
0.0%
Peak $481,714 · Sep 2026
Rank US / state
107 / 11
by 12M change
Zillow Home Value Index
Source: Zillow Home Value Index (ZHVI), all homes, smoothed & seasonally adjusted · data through Sep 2026.
Inflection signal
Price-OnlyNo active signal this month.
Inventory, sales & days on market — Phase 2
Supply and demand confirmation is not yet available.
Yearly values (December)
| Year | ZHVI (Dec) | YoY change |
|---|---|---|
| 2025 | $444,262 | +7.8% |
| 2024 | $412,296 | +10.2% |
| 2023 | $374,231 | +2.5% |
| 2022 | $365,126 | +12.5% |
| 2021 | $324,632 | +26.3% |
| 2020 | $257,101 | +14.7% |
| 2019 | $224,067 | +9.3% |
| 2018 | $205,040 | +6.9% |
| 2017 | $191,807 | +5.2% |
| 2016 | $182,282 | +5.5% |
| 2015 | $172,700 | +7.1% |
| 2014 | $161,226 | +5.5% |
| 2013 | $152,842 | +4.0% |
| 2012 | $146,949 | +3.9% |
| 2011 | $141,452 | -1.0% |
| 2010 | $142,886 | — |