Stringtown is a town in Atoka County, Oklahoma, United States. The population was 410 at the 2010 census, an increase of 3.5 percent from 396 at the 2000 census. It is the second largest town in Atoka County.The town is notable for the Mack H. Alford Correctional Center, a medium-security prison operated by the Oklahoma Department of Corrections, just outside Stringtown.