Mount vernon is located in Grant county Oregon with a geographic area of 0.7 square miles. The total population in Mount vernon is 786 with 46.2% male and 53.8% female. Children under age 5 represent 4.6% of the population, under age 18 equal 20.0% of the population and over age 65 is 18.3% of the population. The median household income is $55,804, per capita income is $39,344. There are a total of 327 housing units with 59.0% owner occupied. Education includes 44.3% of residents that are high school graduates and 7.6% with a bachelor's degree or higher. The average temperature in Mount vernon in the summer is 65 degrees, and in the winter 35 degrees.
