Keystone
Town in Summit County, Colorado
Keystone is a town in Summit County, Colorado, with 1,369 residents (2020 Census). It sits at 9,173 ft (2,796 m) above sea level. The nearest town is Montezuma, 3.9 miles SE.
- 1,369residents (2020 Census)
- 9,173 ftelevation · 2,796 m
- 1.8 sq miland area · 4.7 km²
- 750 / sq mipopulation density
- 80435ZIP code
About Keystone
Keystone is a home rule town located in Summit County, Colorado, United States. The town is a part of the Breckenridge, CO Micropolitan Statistical Area. Keystone residents voted to incorporate on March 28, 2023, becoming a municipality on April 3, 2023. The municipality includes the Keystone Resort and Keystone Village. The population of the former Keystone census-designated place (CDP) was 1,369 at the United States Census 2020. However, the boundary of the current municipality encompasses a smaller geographic area than the boundary of the former CDP. The United States Census Bureau estimated the population of the Town of Keystone as 1,274 on July 1, 2025. The Dillon post office (Zip Code 80435) serves Keystone postal addresses.
Text: Wikipedia · CC BY-SA 4.0
Keystone weather: 7-day forecast
Loading the National Weather Service forecast…
Source: National Weather Service (NOAA).
Live webcams in Keystone
Webcams: Windy.com
Living in Keystone
- Median household income
- $51,591
- Median home value
- $1,284,700
- Median rent
- $874/mo
- Median age
- 28.2
Do you know Keystone? Tell us about it
Help other travelers: share what makes Keystone special. We review every message before publishing it.
Map of Keystone
Tap any street on the map to see it in Street View below. Map: © OpenStreetMap contributors.
Keystone Street View
Drag the image to look around and tap the arrows on the ground to move. If it says there is no imagery, tap a nearby street on the map above.
Open in Google Maps ›Keystone, CO population
Keystone had 1,369 residents in the 2020 Census.
| 2020 Census | 1,369 |
|---|---|
| Density | 750 per sq mi (289 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Keystone at a glance
| State | Colorado (CO) |
|---|---|
| County | Summit County |
| Type | Town |
| Population | 1,369 (2020) |
| Land area | 1.83 sq mi (4.7 km²) |
| Water area | 0.01 sq mi (0.03 km²) |
| Elevation | 9,173 ft (2,796 m) |
| Coordinates | 39.6069° N, 105.9329° W |
| ZIP code | 80435 |
| Census code (GEOID) | 0840550 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Keystone
- Montezuma3.9 mi SE
- Dillon6.1 mi W
- Frisco8.6 mi W
- Silverthorne9.4 mi NW
- Breckenridge9.5 mi SW
- Blue River12.2 mi SW
- Silver Plume12.5 mi NE
- Georgetown14.8 mi NE
- Copper Mountain16.9 mi SW
- Empire17.0 mi NE
- Mill Creek Park20.1 mi NE
- Winter Park20.4 mi N
Straight-line distance between town centers.
Frequently asked questions about Keystone
What county is Keystone in?
Keystone is in Summit County, Colorado.
What is the population of Keystone, CO?
1,369 people lived in Keystone at the 2020 Census.
What is the ZIP code of Keystone, CO?
The ZIP code of Keystone is 80435.
What is the elevation of Keystone?
9,173 feet (2,796 m) above sea level.
What towns are near Keystone?
Montezuma (3.9 mi), Dillon (6.1 mi), Frisco (8.6 mi), Silverthorne (9.4 mi), Breckenridge (9.5 mi).
Last updated: