Cardwell is a community in Jefferson County, Montana, home to about 30 people across 2.1 square miles. It has no ZIP code of its own: it’s part of 59721.
Homes sold for a median of $304 per square foot in the three months ending August 2026, a buyer’s market.
Part is in Cardwell, part in Mammoth
Each card is that ZIP code’s whole market, including any part outside Cardwell. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Cardwell’s story and what everyday life there is like, for people thinking about moving in.
Are you a local agent who knows Cardwell well? Agents who advertise here will be able to write the guide. Advertise on OfferBacked
| Nearest major airport | Boise Air Terminal/Gowen Field (BOI)271 miles away |
|---|---|
| Closer regional airport | Bozeman Yellowstone International Airport (BZN)31 miles away |
| Nearest city of 250,000+ | Seattle, WA514 miles away |
| Nearest city of 1 million+ | Los Angeles, CA892 miles away |
Straight-line distances from the center of Cardwell; 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.
Cardwell had 62 residents in the 2020 census, up 55% since 2000.
It’s the 420th largest of 475 towns in Montana by population.
Jefferson County grew from 5,330 residents in 1900 to 12,085 in 2020.
Jefferson 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 (15 miles away).
1,959 jobs at 342 businesses in Jefferson 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 Cardwell.
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.
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 | 8.6 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 Mammoth.
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.