Grass Valley is located in Oregon. Grass Valley, Oregon has a population of 160. Grass Valley is less family-centric than the surrounding county with 16.22% of the households containing married families with children. The county average for households married with children is 18.26%.
The median household income in Grass Valley, Oregon is $48,750. The median household income for the surrounding county is $42,074 compared to the national median of $57,652. The median age of people living in Grass Valley is 41.5 years.
The average high temperature in July is 84.8 degrees, with an average low temperature in January of 25.6 degrees. The average rainfall is approximately 13.5 inches per year, with 16.4 inches of snow per year.