Oakville, MO Insights: Population,
Zip Codes, Influence, and Service Areas

Oakville is a census-designated place (CDP) in south St. Louis County, Missouri, United States. The population was 36,301 at the 2020 census. Oakville is 18 miles south of the city of St. Louis and borders the Mississippi and Meramec rivers; the area is part of "South County" (south St. Louis County).

Zip Codes in Oakville, MO that we also serve: 63129 63151





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