Ralston is a community in Park County, Wyoming, home to about 107 people across 5.7 square miles. Its ZIP code is 82440, and parts of 82435 are in Ralston too.
Homes sold for a median of $233 per square foot in the three months ending August 2026, a balanced market.
All in Ralston
Mostly Powell; part is in Ralston
Each card is that ZIP code’s whole market, including any part outside Ralston. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
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| Nearest major airport | Salt Lake City International Airport (SLC)318 miles away |
|---|---|
| Closer regional airport | Yellowstone Regional Airport (COD)20 miles away |
| Nearest city of 250,000+ | Denver, CO398 miles away |
| Nearest city of 1 million+ | Phoenix, AZ792 miles away |
Straight-line distances from the center of Ralston; 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.
Ralston had 240 residents in the 2020 census, up 3% since 2000.
It’s the 151st 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 85°F in summer, and winter lows average 6°F. About 6.8 inches of rain and melted snow fall in a typical year, with about 11 inches of snow.
Source: NOAA 1991–2020 climate normals, Powell Fld Stn, WY weather station (2 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).
1 doctors and other health care providers list an office in Ralston.
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.
Parks (1 nearby)
Grocery stores (1 nearby)
Libraries (1 nearby)
Museums (1 nearby)
Counts are within about 2 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 Powell and Garland.
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.