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St. Mary's, Colorado facts for kids

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St. Mary's, Colorado
The Silver Lake Condos, with part of Silver Lake on the right, June 2021
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.
Location of the St. Mary's CDP in Clear Creek County, Colorado.
St. Mary's, Colorado is located in the United States
St. Mary's, Colorado
St. Mary's, Colorado
Location in the United States
Country  United States
State  Colorado
County Clear Creek County
Government
 • Type unincorporated community
Area
 • 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
10,088 ft (3,075 m)
Population
 (2020)
 • Total 333
 • Density 230.4/sq mi (88.94/km2)
Time zone UTC-7 (MST)
 • Summer (DST) UTC-6 (MDT)
ZIP Code
Area codes 303 & 720
GNIS feature St. Mary's CDP

St. Mary's is a small community in Clear Creek County, Colorado, United States. It's known as a census-designated place (CDP), which means it's an area identified by the government for statistics, but it doesn't have its own city government.

St. Mary's is part of the larger Denver–Aurora–Lakewood, CO Metropolitan Statistical Area. This is a big area that includes Denver and many nearby cities and towns. In 2020, about 333 people lived in St. Mary's.

Local services like water and sanitation are managed by special groups called the St. Mary's Glacier Metropolitan District and the St. Mary's Glacier Water & Sanitation District. The mail for St. Mary's comes from the Idaho Springs post office, using the Zip Code 80452.

Where is St. Mary's Located?

St. Mary's is found in the beautiful state of Colorado. It's located high up in the mountains, making it a scenic spot.

Area and Size

The total area of St. Mary's is about 3.744 square kilometers (which is about 925 acres). A small part of this area, about 0.018 square kilometers (or 4.4 acres), is covered by water.

Who Lives in St. Mary's?

The word "demographics" helps us understand more about the people who live in a place. This includes how many people there are and how the population has changed over time.

Population Changes Over Time

The United States Census Bureau collects information about how many people live in different areas every ten years. Here's how the population of St. Mary's has changed:

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

The Census Bureau first started counting St. Mary's as a CDP for the United States Census 2000.

St. Mary's Glacier Ski Area

St. Mary's is famous for the St. Mary's Glacier Ski Area. This area is a popular spot for outdoor activities, especially skiing and snowboarding, even when other places don't have snow. It's a great place for people who love winter sports and exploring nature.

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