Braman, OK. Braman is a town in Kay County, Oklahoma, United States. The population was 244 at the 2000 census. According to the United States Census Bureau, Braman has a total area of 0.2 square miles (0.4 km²), all of it land. As of the census of 2000, there were 244 people, 103 households, and 66 families residing in the town. The population density was 1,558.2 people per square mile (588.8/km²).