Copan Map
Copan is a town in Washington County, Oklahoma, United States. The population was 796 at the 2000 census.
Copan is located at 36°54?0?N 95°55?35?W / 36.9°N 95.92639°W / 36.9; -95.92639 (36.899926, -95.926447).
According to the United States Census Bureau, the town has a total area of 1.0 square miles (2.6 km²), all of it land.
Nearby cities include Bartlesville, Tyro, Dearing, Lenapah, Delaware.