Arapaho is a town in and county seat of Custer County, Oklahoma, United States. The population was 796 at the 2010 census, a 6.4 percent increase from 748 at the 2000 census. The town lies long U.S. Route 183. It is named for the Arapaho Indian tribe.
Location of Arapaho, Oklahoma
Arapaho is located at (35.577014, -98.962370).
According to the United States Census Bureau, the town has a total area of 0.7 square miles (1.8 km2), all of it land.