Poyen is a town located in the U.S. state of Arkansas. It is within Grant County included in the Little Rock–North Little Rock–Conway Metropolitan Statistical Area. It has a total area of 0.33 square miles at 34°19′24″N 92°38′26″W. The elevation is 230 feet above sea level. As of the 2010 census data, it had a total population of 290. The population density was 886.50/sq mi . Estimated per capita income in 2015 was $15,577. It has Zip code 72128.