Augusta is a city in St. Charles County, Missouri, United States. The population was 270 at the 2020 census, up from 253 at the 2010 census. The city has wineries, antique shops, restaurants, B&B's, a

Augusta is the nation's first American Viticultural Area established on June 20, 1980, by the Bureau of Alcohol, Tobacco and Firearms, Treasury after reviewing the petition submitted by Clayton W. Bye