St. Charles County.
Wentzville offers all the amenities of a active suburb but with the charm of a small town. Wentzville was rated #5 Best Suburb to Buy a House in Missouri (Niche). Host to the annual St. Charles County Fair, St. Louis Pirate Festival, the Greater St. Louis Renaissance Faire, and Wentzville Days. Located 40 minutes from downtown St. Louis and 20 minutes from beautiful Missouri wine country.