Adams is an unincorporated community in eastern Texas County, Oklahoma, United States. It is approximately 20 miles east-northeast …Adams is an unincorporated community in eastern Texas County, Oklahoma, United States. It is approximately 20 miles east-northeast of the county seat, Guymon. The community is six miles north-northeast of Optima Lake. The post office opened June 14, 1930. The community was named for Jesse L. Adams, engineer for the Rock Island Railroad.