About the town » Wentzville, Saint Charles County, Missouri, United States

Wentzville, Missouri —  City  — Old Downtown Wentzville Coordinates: {{#invoke:Coordinates|coord}}{{#coordinates:38|48|58|N|90|51|26|W|region:US_type:city |primary |name= }} Country United States State Missouri County St. Charles Founded 1855 Government  • Mayor Nick Guccione Area  • Total 19.98 sq mi (51.75 km)  • Land 19.96 sq mi (51.70 km)  • Water 0.02 sq mi (0.05 km) Elevation 623 ft (190 m) Population  • Total 29,070  • Estimate (2011) 29,451  • Density 1,456.4/sq mi (562.3/km) Time zone Central (CST)  • Summer  CDT FIPS code 29-78442 GNIS feature ID 0756888 Website http://www. wentzvillemo. org/ Wentzville is a city located in western St. Charles County, Missouri, United States. As of the 2010 census, the city had a total population of 29,070. The city's major employer is General Motors which has a full size van assembly plant located there. As the site of the county fairgrounds, Wentzville hosts the annual St. Charles County Fair, St. Louis Pirate Festival and the Greater St. Louis Renaissance Faire.