St. Mary's, Colorado

Unincorporated community in Clear Creek County, Colorado, United States

Census Designated Place in Colorado, United States

39°48′59″N 105°38′52″W / 39.8162842°N 105.6478844°W / 39.8162842; -105.6478844 (St. Mary's CDP, Colorado)^[1]Country

United StatesState

^[2]

• Typeunincorporated communityArea

^[1]

• Total1.446 sq mi (3.744 km²) • Land1.439 sq mi (3.726 km²) • Water0.007 sq mi (0.018 km²)Elevation

^[2]

10,088 ft (3,075 m)Population

(2020)^[3]

• Total333 • Density230/sq mi (89/km²)Time zoneUTC-7 (MST) • Summer (DST)UTC-6 (MDT)ZIP Code^[4]

Idaho Springs 80452

Area codes303 & 720GNIS feature^[2]St. Mary's CDP

St. Mary's is a census-designated place (CDP) located in and governed by Clear Creek County, Colorado, United States. The CDP is a part of the Denver–Aurora–Lakewood, CO Metropolitan Statistical Area. The population of the St. Mary's CDP was 333 at the United States Census 2020.^[1] The St. Mary's Glacier Metropolitan District and the St. Mary's Glacier Water & Sanitation District provide services. The Idaho Springs post office (Zip Code 80452) serves the area.^[4]

Geography

The St. Mary's CDP has an area of 925 acres (3.744 km²), including 4.4 acres (0.018 km²) of water.^[1]

St. Mary's CDP, Colorado
Year	Pop.	±%
2000	251	—
2010	283	+12.7%
2020	333	+17.7%
Source: United States Census Bureau

^ ^a ^b ^c ^d "State of Colorado Census Designated Places - BAS20 - Data as of January 1, 2020". United States Census Bureau. Retrieved November 3, 2021.
^ ^a ^b ^c "U.S. Board on Geographic Names: Domestic Names". United States Geological Survey. Retrieved December 21, 2020.
^ "QuickFacts for Colorado". United States Census Bureau. Retrieved October 30, 2021.
^ ^a ^b "Zip Code 80452 Map and Profile". zipdatamaps.com. 2020. Retrieved December 21, 2020.
^ Colorado Ski History: St. Mary's Glacier