St. Louis County Map
The County of St. Louis is located in the State of Missouri. Find directions to St. Louis County, browse local businesses, landmarks, get current traffic estimates, road conditions, and more. According to the 2020 US Census the St. Louis County population is estimated at 994,020 people. The St. Louis County time zone is Central Daylight Time which is 6 hours behind Coordinated Universal Time (UTC).
Nearby counties include Madison County, Monroe County, St. Clair County, Franklin County, Jefferson County, St. Charles County, St. Louis city County.
Top cities include Chesterfield, Wildwood, University City, Ballwin, Kirkwood