Carter is a community in Chouteau County, Montana, home to about 60 people across 2.9 square miles. Its ZIP code is 59420.
Mostly Carter; also Twin Hills Colony
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| Nearest major airport | Spokane International Airport (GEG)305 miles away |
|---|---|
| Closer regional airport | Great Falls International Airport (GTF)28 miles away |
| Nearest city of 250,000+ | Seattle, WA529 miles away |
Straight-line distances from the center of Carter; 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.
Carter had 65 residents in the 2020 census, up 5% since 2000.
It’s the 374th largest of 475 towns in Montana by population.
Chouteau County grew from 10,966 residents in 1900 to 5,895 in 2020.
Chouteau County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 85°F in summer, and winter lows average 13°F. About 13.9 inches of rain and melted snow fall in a typical year, with about 43 inches of snow.
Source: NOAA 1991–2020 climate normals, Carter 14 W, MT weather station (11 miles away).
772 jobs at 153 businesses in Chouteau 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 1.5 miles 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 Knees Elem. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Knees SchoolCarter | Pre-K–8 | 13 | Public | 23.5 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 Twin Hills 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.