St. Louis County

Clayton, MO United States

Government / Military

Organized in 1812, St. Louis County covers an area of 524 square miles and had a 2010 Census population of 998,954. The County is an integral part of the St. Louis Metropolitan Statistical Area (MSA) comprising 36% of the bi-state metropolitan area's population of 2,812,896. The current County Executive is Charlie A. Dooley. St. Louis County is the largest county in Missouri and contains 17% of the state's population and 23% of the jobs in Missouri. St. Louis County's 91 municipalities have primary responsibility within their jurisdictions. The unincorporated area, containing nearly a third of the County's area and population, comes under the jurisdiction of County government. (In 187