Avera, GeorgiaAvera is a city in Jefferson County, Georgia, United States. As of the 2020 census, the city had a population of 223. The city was incorporated in 1900.GeographyAvera is located at . According to the United States Census Bureau, the city has a total area of, all land.DemographicsAt the 2000 census there were 217 people in 99 households, including 60 families, in the city. In 2020, its population was 223.