From 1953 to 2013, the 3rd had been located in the southern portion of the St. Louis area, including the southern third of St. Louis City, and had a dramatically different political history from the current 3rd.
From 1953 to 2013, the 3rd congressional district was located in the southern part of the St. Louis area, including the southern third of St. Louis City, and had a distinct political history from the current 3rd district.