| City : | St. Mary's |
| County : | Clear Creek County |
| State : | Colorado (CO) |
| Land Area : | 1.44 sq mi |
| Water Area : | 0.01 sq mi |
| Latitude : | 39.8165309 |
| Longitude : | -105.6471377 |
| Population (2010): | 283 |
| Population Estimate (2012) : | 124 |
| Population Density : | 196.74/sq mi |
| Housing Units (2012) : | 310 |
| Median Household Income (2012) : | $84,609 (Colorado : $58,244, USA : $53,046) |
| Median Family Income (2012) : | $95,917 (Colorado : $72,455, USA : $64,585) |
| Median House Price (2012) : | $223,500 (Colorado : $236,800, USA : $181,400) |
St. Mary's Zip Codes
| 80452 (3,097) |