Mastodon is a township in Iron County, Michigan, home to about 721 people across 126 square miles. Its ZIP code is 49902, and parts of 49920 are in Mastodon too.
Homes sold for a median of $31 per square foot in the three months ending August 2026, a balanced market.
All in Mastodon
Mostly Crystal Falls City; part is in Mastodon
Each card is that ZIP code’s whole market, including any part outside Mastodon. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Mastodon’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | General Mitchell International Airport (MKE)219 miles away |
|---|---|
| Closer regional airport | Ford Airport (IMT)23 miles away |
| Nearest city of 250,000+ | Milwaukee, WI211 miles away |
| Nearest city of 1 million+ | Chicago, IL297 miles away |
Straight-line distances from the center of Mastodon; 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.
Mastodon had 576 residents in the 2020 census, down 14% since 2000.
It’s the 1315th largest of 1,531 towns in Michigan by population.
Iron County grew from 8,990 residents in 1900 to 11,631 in 2020.
Iron County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 79°F in summer, and winter lows average 0°F. About 31.3 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Amasa 1w, MI weather station (10 miles away).
2,475 jobs at 358 businesses in Iron 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 (3 nearby)
Grocery stores (1 nearby)
Libraries (1 nearby)
Museums (1 nearby)
Counts are within about 7.5 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.
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Shares ZIP codes with Crystal Falls City, Crystal Falls Township, Mansfield and Hematite.
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.