Vidalia is a city located primarily in Toombs County, Georgia, United States. The city also extends very slightly into Montgomery County. As of the 2010 census, the city population was 10,473.Vidalia is the principal city of the Vidalia Micropolitan Statistical Area, a micropolitan area that covers Montgomery and Toombs Counties, and had a combined population of 36,346 at the 2010 census.