Terrebonne is located in Jefferson county Oregon with a geographic area of 1.0 square miles. The total population in Terrebonne is 1,623 with 49.2% male and 50.8% female. Children under age 5 represent 6.9% of the population, under age 18 equal 24.3% of the population and over age 65 is 20.1% of the population. The median household income is $56,736, per capita income is $33,340. There are a total of 618 housing units with 74.6% owner occupied. Education includes 39.5% of residents that are high school graduates and 26.7% with a bachelor's degree or higher. The average temperature in Terrebonne in the summer is 68 degrees, and in the winter 35 degrees.