Silas is a town in the U.S. state of Alabama. It lies in southernmost region of Choctaw County at 31°46′18″N 88°19′52″W. Elevation is 233 feet. As of recent census, Silas total population is 426 individuals with a population density of 81.81/sq mile. Recent job growth is negatively decreased by 2.67 percent. Silas has an average travel time of 26 minutes. In 2015, Silas estimated per capita income was $13,640. It is using Zip code 36919.