Leachville is a city located in the U.S. state of Arkansas. It is within Mississippi County. Leachville was incorporated in 1916. It has a total land area of 2.02 square miles at 35°55′53″N 90°15′16″W. The elevation is 240 feet above sea level. As of the 2010 census data, it had a total population of 1,993. The population density was 903.07/sq mi. Estimated per capita income in 2015 was $18,759. It is using Zip code 72438.