The city of Glendale is a Home Rule Municipality located in an exclave of Arapahoe County, Colorado, United States. The population was 4,547 at the 2000 census. The entire city is surrounded on all sides by the City and County of Denver. Therefore, as a municipal entity, it is also an enclave. Glendale's fire and medical services have been provided by the Denver Fire Department and Denver Paramedics through a contract by the City and County of Denver since 2005. Glendale is policed by the Glendale Police Department.
Glendale, Colorado, is located at 39°42′9″N 104°56′2″W / 39.7025°N 104.93389°W / 39.7025; -104.93389 (39.702546, -104.933866).
According to the United States Census Bureau, the city has a total area of 1.0 square miles (1.4 km²), all of it land (other than a short length of Cherry Creek which bisects the City from East to West). Much of the city's limited space is devoted to commercial development, including both office and residential high rises.