Garyville is located in St. john the baptist county Louisiana with a geographic area of 14.3 square miles. The total population in Garyville is 1,966 with 41.4% male and 58.6% female. Children under age 5 represent 0.7% of the population, under age 18 equal 21.7% of the population and over age 65 is 23.9% of the population. The median household income is $44,965, per capita income is $33,556. There are a total of 890 housing units with 87.0% owner occupied. Education includes 31.9% of residents that are high school graduates and 25.2% with a bachelor's degree or higher. The average temperature in Garyville in the summer is 81 degrees, and in the winter 51 degrees.