Aumsville is a city in Marion County, Oregon, United States. The population was 3,584 at the 2010 census. It is part of the Salem Metropolitan Statistical Area.According to the United States Census Bureau, the city has a total area of 1.02 square miles (2.64 km2), all of it land.
Aumsville is on the site of the pioneer farm of Henry L. Turner, who named the settlement for his son-in-law, Amos M. Davis, more familiarly known as "Aumus", who had died on December 23, 1863. Aumsville was incorporated on August 3, 1911.On December 14, 2010, an EF2 tornado touched down in the center of Aumsville.The winds destroyed homes and caused substantial damage to businesses and City Hall.