Winnett is a town in Petroleum County, Montana, home to about 204 people across 1.0 square miles. Its ZIP code is 59087.
Homes sold for a median of $123 per square foot in the three months ending August 2026, a buyer’s market.
Each card is that ZIP code’s whole market, including any part outside Winnett. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Winnett’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Spokane International Airport (GEG)434 miles away |
|---|---|
| Closer regional airport | Billings Logan International Airport (BIL)79 miles away |
| Nearest city of 250,000+ | Denver, CO525 miles away |
Straight-line distances from the center of Winnett; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Winnett had 188 residents in the 2020 census, up 2% since 2000.
It’s the 247th largest of 475 towns in Montana by population.
Petroleum County grew from 2,045 residents in 1930 to 496 in 2020.
Petroleum County, 1930–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 86°F in summer, and winter lows average 14°F. About 14.3 inches of rain and melted snow fall in a typical year, with about 43 inches of snow.
Source: NOAA 1991–2020 climate normals, Flatwillow 4 Ene, MT weather station (9 miles away).
24 jobs at 11 businesses in Petroleum County. The biggest industries by number of businesses:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
Nearest hospitals
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances.
Grocery stores
Libraries
Counts are within about 1 mile of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Public schools here are run by Winnett K-12 Schools. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Winnett SchoolWinnett | Pre-K–6 | 37 | Public | 4.3 mi |
| Winnett 7-8Winnett | 7–8 | 13 | Public | 4.3 mi |
| Winnett High SchoolWinnett | 9–12 | 19 | Public | 4.3 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.