Powhatan is a town located in the U.S. state of Arkansas. It is within Lawrence County adjacent to the Black River. It has a total area of 0.25 square miles at 36°4′59″N 91°7′11″W. The elevation is 285 feet above sea level. As of the 2010 census data, it had a total population of 72. The population density was 278.23/sq mi. Estimated per capita income in 2015 was $17,625. It has Zip code 72458.