Idledale is a community in Jefferson County, Colorado, home to about 297 people across 0.3 square miles. Its ZIP code is 80453.
Homes sold for a median of $392 per square foot in the three months ending August 2026.
Mostly Idledale
Each card is that ZIP code’s whole market, including any part outside Idledale. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
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| Nearest major airport | Denver International Airport (DEN)33 miles away |
|---|---|
| Closer regional airport | Rocky Mountain Metropolitan Airport (BJC)18 miles away |
| Nearest city of 250,000+ | Denver, CO20 miles away |
| Nearest city of 1 million+ | Phoenix, AZ567 miles away |
Straight-line distances from the center of Idledale; 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.
Idledale had 244 residents in the 2020 census, down 3% since 2010.
It’s the 339th largest of 472 towns in Colorado by population.
Jefferson County grew from 9,306 residents in 1900 to 582,910 in 2020.
Jefferson 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 13°F. About 18.7 inches of rain and melted snow fall in a typical year, with about 81 inches of snow.
Source: NOAA 1991–2020 climate normals, Evergreen, CO weather station (4 miles away).
210,701 jobs at 17,999 businesses in Jefferson 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
Museums
Theaters and performance venues
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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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.