St. Mary's, CO

St. Mary's is a census-designated place located in and governed by Clear Creek County, Colorado, United States. The 2020 census counted 333 residents. The CDP is a part of the Denver–Aurora–Lakewood, CO Metropolitan Statistical Area. The St. Mary's Glacier Metropolitan District and the St. Mary's Glacier Water & Sanitation District provide services. St. Mary's's local map joins its older history to the places and landscapes that still shape the town today, all within the wider Colorado setting. The local scoop is how St. Mary's's history still shows up in the places people visit, work, learn, and meet. The Idaho Springs post office serves the area.