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.
Sterlington is located at 32°41′36″N 92°3′34″W / 32.69333°N 92.05944°W / 32.69333; -92.05944 (32.693440, -92.059318).
According to the United States Census Bureau, the town has a total area of 2.3 square miles (6.0 km²), of which 2.3 square miles (5.9 km²) is land and 0.43% is water.
As of the census of 2000, there were 1,276 people, 478 households, and 356 families residing in the town. The population density was 556.3 people per square mile (215.1/km²). There were 523 housing units at an average density of 228.0 per square mile (88.2/km²). The racial makeup of the town was 84.17% White, 12.46% African American, 0.24% Asian, 1.72% from other races, and 1.41% from two or more races. Hispanic or Latino of any race were 4.08% of the population.
There were 478 households, out of which 38.5% had children under the age of 18 living with them, 51.9% were married couples living together, 19.2% had a female householder with no husband present, and 25.5% were non-families. 21.8% of all households were made up of individuals and 9.4% had someone living alone who was 65 years of age or older. The average household size was 2.63 and the average family size was 3.07.
In the town, the population was spread out with 29.7% under the age of 18, 11.1% from 18 to 24, 27.3% from 25 to 44, 18.7% from 45 to 64, and 13.2% who were 65 years of age or older. The median age was 33 years. For every 100 females, there were 87.1 males. For every 100 females age 18 and over, there were 82.3 males.
The median income for a household in the town was $33,750, and the median income for a family was $38,269. Males had a median income of $29,643 versus $21,250 for females. The per capita income for the town was $16,707. About 10.4% of families and 11.7% of the population were below the poverty line, including 14.8% of those under age 18 and 10.2% of those age 65 or over.