Maryland Heights is a middle-class, second-ring north suburb of St. Louis, located in St. Louis County, Missouri, United States. The population was 27,472 at the 2010 census. The city was incorporated in 1985. Edwin L. Dirck was appointed the city's first mayor by then County Executive Gene McNary. Mark M. Levin served as City Administrator from August 1985 to 2015.
Maryland Heights is located at 38°43′10″N 90°26′51″W (38.719551, −90.447467). According to the United States Census Bureau, the city has a total area of 23.35 square miles (60.48 km2), of which 21.83 square miles (56.54 km2) is land and 1.52 square miles (3.94 km2) is water.
The City of Maryland Heights is a third-class statutory city. It is governed by a mayor who serves a four-year term and a city council made up of eight members.