Sheridan County, Montana ZIP codes
10 ZIP codes are in Sheridan County, plus 1 that cross in from neighboring counties.
- ZIP codes
- 10
- Population in these ZIPs
- 3,709
- Avg. median income
- $71,300population-weighted
- Cities & towns
- 10
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Sheridan County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 59211 | Antelope | 298 | — | — |
| 59219 | Dagmar | 144 | $108,750 | $109,800 |
| 59242 | Homestead | 55 | $128,750 | $154,200 |
| 59247 | Medicine Lake | 310 | $73,750 | $128,200 |
| 59252 | Outlook | 70 | $65,750 | $215,600 |
| 59254 | Plentywood | 1,822 | $68,750 | $166,100 |
| 59256 | Raymond | 258 | $36,607 | $80,600 |
| 59257 | Redstone | 132 | — | — |
| 59258 | Reserve | 184 | $148,750 | $158,300 |
| 59275 | Westby | 436 | $49,141 | $174,400 |
ZIP codes partly in Sheridan County
These ZIP codes are mostly in a neighboring county but cover part of Sheridan County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 59226 | Froid | Roosevelt County | 644 | $66,190 | $180,200 |
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 and towns in Sheridan County
Nearby counties
Frequently asked questions
How many ZIP codes are in Sheridan County, Montana?
10 ZIP codes are mainly in Sheridan County, and 1 more ZIP codes from neighboring areas reach partly into it.
What cities are in Sheridan County?
ZIP codes in Sheridan County use the city names Antelope, Dagmar, Homestead, Medicine Lake, Outlook, Plentywood, Raymond, Redstone, Reserve and Westby.