St. Mary's, Colorado

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]

St. Mary's, Colorado
Census-designated place
The Silver Lake Condos, with part of Silver Lake on the right, June 2021
Location of the St. Mary's CDP in Clear Creek County, Colorado.
St. Mary's Location of the St. Mary's CDP in the United States.
Coordinates: 39°48′59″N 105°38′52″W[1]
Country	United States
State	Colorado
County	Clear Creek County
Government [2]
• Type	unincorporated community
Area [1]
• Total	1.446 sq mi (3.744 km2)
• Land	1.439 sq mi (3.726 km2)
• Water	0.007 sq mi (0.018 km2)
Elevation [2]	10,088 ft (3,075 m)
Population  (2020)[3]
• Total	333
• Density	230/sq mi (89/km2)
Time zone	UTC-7 (MST)
• Summer (DST)	UTC-6 (MDT)
ZIP Code[4]	Idaho Springs 80452
Area codes	303 & 720
GNIS feature[2]	St. Mary's CDP

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]

Demographics

St. Mary's CDP, Colorado

Year	Pop.	±%
2000	251	—
2010	283	+12.7%
2020	333	+17.7%
Source: United States Census Bureau

The United States Census Bureau initially defined the St. Mary's CDP for the United States Census 2000.

Historic ski area

• St. Mary's Glacier Ski Area^[5]

See also

• Colorado portal

• List of census-designated places in Colorado