Townsend is an unincorporated community in McIntosh County, Georgia, United States. It lies along State Route 57 northwest of the city of Darien, the county seat. Its elevation is 20 feet. Although it is unincorporated, it has a post office, with the ZIP code of 31331.Townsend includes the Georgia Air National Guard's Townsend Bombing Range, which is an over 5,000 acre area used for combat training by all the U.S. military branches' pilots.