Sumner is a small rural community located in Noble County, Oklahoma, United States, ten miles east of Perry and two miles north of US highway 64. Established prior to statehood along the St. Louis-San Francisco Railway, the post office opened on May 23, 1894. The town was named for Henry T. Sumner, a businessman from Perry. Per the 1905 Oklahoma Territorial Census, Sumner had sixty-four residents. The post office closed July 27, 1957.
The town currently has a population of approximately fifty. At its peak the town had a bank, post office, two churches, a school, a grain elevator, and a train stop. Currently, the only significant buildings still in use are the Baptist church, the Christian church and the school.