Greycliff is a community in Sweet Grass County, Montana, home to about 158 people across 0.5 square miles. Its ZIP code is 59033.
Mostly Greycliff
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| Nearest major airport | Boise Air Terminal/Gowen Field (BOI)351 miles away |
|---|---|
| Closer regional airport | Billings Logan International Airport (BIL)60 miles away |
| Nearest city of 250,000+ | Denver, CO483 miles away |
| Nearest city of 1 million+ | Los Angeles, CA931 miles away |
Straight-line distances from the center of Greycliff; 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.
Greycliff had 89 residents in the 2020 census, up 59% since 2000.
It’s the 274th largest of 475 towns in Montana by population.
Sweet Grass County grew from 3,086 residents in 1900 to 3,678 in 2020.
Sweet Grass County, 1900–2020
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 20°F. About 17 inches of rain and melted snow fall in a typical year, with about 55 inches of snow.
Source: NOAA 1991–2020 climate normals, Big Timber, MT weather station (9 miles away).
1,361 jobs at 187 businesses in Sweet Grass 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.
Parks (1 nearby)
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 Greycliff Elem. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Greycliff SchoolGreycliff | Pre-K–8 | 4 | Public | 0.1 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.