Mt Vernon Real EstateMt Vernon is located in Oregon. Mt Vernon, Oregon has a population of 245. The median household income in Mt Vernon, Oregon is $35,139. The median household income for the surrounding county is $44,826 compared to the national median of $57,652. The median age of people living in Mt Vernon is 49.3 years. Mt Vernon WeatherThe average high temperature in July is 88.2 degrees, with an average low temperature in January of 23.4 degrees. The average rainfall is approximately 14.5 inches per year, with 12.7 inches of snow per year. Mt Vernon MapReal estate near Mt VernonNearby CitiesNearby Cities Homes for Sale |