Sterlington is a town in northern Ouachita Parish, Louisiana, United States, near the boundary with Union Parish. The population was 1,276 at the 2000 census. At the 2010 census, the population was 1,594. In 2013 census estimates, the population rose to 1,889, an increase of 228 persons or 13.7 percent from the 2012 census estimate. The current figure tabulation shows Sterlington the fastest-growing community in Northeast Louisiana.
Mayor Vern Breland said the latest census report "confirms what we know in Sterlington: We're poised for massive amounts of growth." Sterlington, which was incorporated in 1961, is expected to reach a population of 5,000 by 2017 because of its public schools and easy access to major employers in Ouachita Parish.