Lockesburg is a city located in the U.S. state of Arkansas. It is within Sevier County. It has a total land area of 3.54 square miles at 33°58′11″N 94°10′16″W. The elevation is 433 feet above sea level. As of the 2010 census data, it had a total population of 739. The population density was 204.47/sq mi. Estimated per capita income in 2015 was $17,508. It is using Zip code 71846.