Dulac is located in Terrebonne county Louisiana with a geographic area of 16.0 square miles. The total population in Dulac is 798 with 66.8% male and 33.2% female. Children under age 5 represent 0.0% of the population, under age 18 equal 12.7% of the population and over age 65 is 46.6% of the population. The median household income is $32,122, per capita income is $15,599. There are a total of 313 housing units with 94.2% owner occupied. Education includes 6.7% of residents that are high school graduates and 0.0% with a bachelor's degree or higher. The average temperature in Dulac in the summer is 81 degrees, and in the winter 51 degrees.