Grass Range is a town in Fergus County, Montana, home to about 125 people across 0.1 square miles. Its ZIP code is 59032.
Mostly Grass Range; also Ayers Ranch Colony and Fords Creek Colony
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| Nearest major airport | Spokane International Airport (GEG)410 miles away |
|---|---|
| Closer regional airport | Billings Logan International Airport (BIL)85 miles away |
| Nearest city of 250,000+ | Denver, CO539 miles away |
Straight-line distances from the center of Grass Range; 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.
Grass Range had 110 residents in the 2020 census, down 26% since 2000.
It’s the 310th largest of 475 towns in Montana by population.
Fergus County grew from 6,937 residents in 1900 to 11,446 in 2020.
Fergus County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 83°F in summer, and winter lows average 14°F. About 18.1 inches of rain and melted snow fall in a typical year, with about 50 inches of snow.
Source: NOAA 1991–2020 climate normals, Grass Range, MT weather station (about a mile away).
3,428 jobs at 444 businesses in Fergus County. The biggest industries by employees:
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.
Public schools here are run by Ayers Elem, Grass Range Elem, Grass Range H S. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Ayers SchoolGrass Range | Pre-K–8 | 14 | Public | 6.0 mi |
| Grass Range SchoolGrass Range | Pre-K–6 | 45 | Public | 1.3 mi |
| Grass Range 7-8Grass Range | 7–8 | 9 | Public | 1.3 mi |
| Grass Range High SchoolGrass Range | 9–12 | 27 | Public | 1.3 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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Shares ZIP codes with Ayers Ranch Colony and Fords Creek Colony.
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.