Leslie is a city located in the U.S. state of Arkansas. It is within Searcy County at the Boston Mountains. It has a total land area of 0.74 square miles at 35°49′47″N 92°33′28″W. The elevation is 1,020 feet above sea level. As of the 2010 census data, it had a total population of 441. The population density was 569.69/sq mi. It is using Zip code 72645.