Williamsville Map
Mayor- The Honorable Angie Smith
Williamsville is a city in Wayne County, Missouri, United States, along the Black River. The population was 379 at the 2000 census.
Williamsville is located at 36°58?22?N 90°32?53?W / 36.97278°N 90.54806°W / 36.97278; -90.54806 (36.972909, -90.548164).
Nearby cities include Ellsinore, Greenville, Piedmont, Poplar Bluff, Grandin.