Mammoth is a community in Park County, Wyoming, home to about 62 people across 0.8 square miles. It has no ZIP code of its own: it’s part of 82190.
Part is in Mammoth
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)290 miles away |
|---|---|
| Closer regional airport | Yellowstone Airport (WYS)26 miles away |
| Nearest city of 250,000+ | Denver, CO455 miles away |
| Nearest city of 1 million+ | Phoenix, AZ779 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.
Mammoth had 262 residents in the 2020 census, up 0% since 2010.
It’s the 168th largest of 192 towns in Wyoming by population.
Park County grew from 4,909 residents in 1910 to 29,624 in 2020.
Park County, 1910–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 78°F in summer, and winter lows average 4°F. About 16.6 inches of rain and melted snow fall in a typical year, with about 94 inches of snow.
Source: NOAA 1991–2020 climate normals, Tower Falls, WY weather station (13 miles away).
10,172 jobs at 1,332 businesses in Park County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
5 doctors and other health care providers list an office in Mammoth.
Nearest hospitals
Providers with an office here
| Primary care doctors | 2 |
|---|---|
| Specialist doctors | 1 |
| Nurse practitioners and physician assistants | 2 |
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.
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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.