Knowles is a town in Beaver County, Oklahoma, United States.
[4] The Knowles Grain Elevator is on the National Register of Historic Places listings in Beaver County, Oklahoma.
According to the United States Census Bureau, the town has a total area of 0.2 square miles (0.52 km2), all land.
There were 11 housing units at an average density of 62.0 per square mile (23.9/km2).
20.0% of all households were made up of individuals, and none had someone living alone who was 65 years of age or older.