Mammoth is a community in Madison County, Montana, home to about 15 people across 0.3 square miles. It has no ZIP code of its own: it’s part of 59721 and 59747.
Homes sold for a median of $270 per square foot across 2 ZIP codes in the three months ending August 2026, and 0 of 2 were seller’s markets.
Part is in Mammoth, part in Cardwell
Mostly Pony; part is in Mammoth
Each card is that ZIP code’s whole market, including any part outside Mammoth. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Mammoth’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Boise Air Terminal/Gowen Field (BOI)264 miles away |
|---|---|
| Closer regional airport | Bozeman Yellowstone International Airport (BZN)33 miles away |
| Nearest city of 250,000+ | Seattle, WA514 miles away |
| Nearest city of 1 million+ | Los Angeles, CA883 miles away |
Straight-line distances from the center of Mammoth; 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.
It’s the 450th largest of 475 towns in Montana by population.
Madison County grew from 7,695 residents in 1900 to 8,623 in 2020.
Madison 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 15°F. About 13.2 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Trident, MT weather station (21 miles away).
5,218 jobs at 427 businesses in Madison County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
1 doctors and other health care providers list an office in Mammoth’s ZIP codes.
Nearest hospitals
Providers with an office here
| Nurse practitioners and physician assistants | 1 |
|---|
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Theaters and performance venues
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 Cardwell Elem. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Cardwell SchoolCardwell | Pre-K–8 | 35 | Public | 8.1 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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Shares ZIP codes with Pony and Cardwell.
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.