Alder is a community in Madison County, Montana, home to about 92 people across 2.0 square miles. Its ZIP code is 59710.
Homes sold for a median of $289 per square foot in the three months ending August 2026, a buyer’s market.
Each card is that ZIP code’s whole market, including any part outside Alder. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Alder’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)234 miles away |
|---|---|
| Closer regional airport | Bert Mooney Airport (BTM)57 miles away |
| Nearest city of 250,000+ | Portland, OR514 miles away |
| Nearest city of 1 million+ | Phoenix, AZ802 miles away |
Straight-line distances from the center of Alder; 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.
Alder had 86 residents in the 2020 census, down 26% since 2000.
It’s the 331st 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 81°F in summer, and winter lows average 11°F. About 14 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Alder 19s, MT weather station (7 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).
Nearest hospitals
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances.
Public schools here are run by Alder Elem. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Alder SchoolAlder | Pre-K–8 | 11 | Public | 9.0 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.