Oil city is located in Caddo county Louisiana with a geographic area of 1.8 square miles. The total population in Oil city is 829 with 39.1% male and 60.9% female. Children under age 5 represent 0.6% of the population, under age 18 equal 17.0% of the population and over age 65 is 15.7% of the population. The median household income is $20,375, per capita income is $17,714. There are a total of 431 housing units with 39.4% owner occupied. Education includes 35.7% of residents that are high school graduates and 6.5% with a bachelor's degree or higher. The average temperature in Oil city in the summer is 81 degrees, and in the winter 51 degrees.