Decker, MT ZIP code
The ZIP code for Decker, Montana is 59025. It is in Big Horn County.
- Population in these ZIPs
- 53
- Avg. median income
- $36,500population-weighted
- Typical home value
- —population-weighted
Loading map…
Click anywhere on the map to see which ZIP code it's in.
Decker, MT ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 59025 | 53 | $36,500 | — |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities near Decker
- Birney 17 mi
- Otter 24 mi
- Busby 28 mi
- Wyola 30 mi
- Lame Deer 32 mi
- Ashland 39 mi
- Lodge Grass 39 mi
- Crow Agency 43 mi
- Garryowen 43 mi
- Colstrip 57 mi
- Saint Xavier 60 mi
- Broadus 60 mi
Frequently asked questions
What is the ZIP code for Decker, MT?
The ZIP code for Decker, MT is 59025.
What county is Decker, Montana in?
Decker ZIP codes are in Big Horn County.