Parker is a city in Fremont County, Idaho, home to about 607 people across 0.3 square miles. Its ZIP code is 83438, and parts of 83445 are in Parker too.
Homes sold for a median of $190 per square foot in the three months ending August 2026, a seller’s market.
All in Parker
Mostly St. Anthony; part is in Parker
Each card is that ZIP code’s whole market, including any part outside Parker. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Parker’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Salt Lake City International Airport (SLC)220 miles away |
|---|---|
| Closer regional airport | Idaho Falls Regional Airport (IDA)36 miles away |
| Nearest city of 250,000+ | Denver, CO456 miles away |
| Nearest city of 1 million+ | Phoenix, AZ718 miles away |
Straight-line distances from the center of Parker; 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.
Parker had 302 residents in the 2020 census, down 5% since 2000.
It’s the 131st largest of 232 towns in Idaho by population.
Fremont County grew from 12,821 residents in 1900 to 13,388 in 2020.
Fremont County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 83°F in summer, and winter lows average 12°F. About 14.9 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Saint Anthony, ID weather station (2 miles away).
2,147 jobs at 395 businesses in Fremont 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.
Grocery stores
Pharmacies
Libraries
Counts are within about 1 mile 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 St. Anthony.
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.