Grass Valley is located in Oregon. Grass Valley, Oregon has a population of 167. Grass Valley is more family-centric than the surrounding county with 18% households with children. The county percentage for households with children is 17%.
The median household income in Grass Valley, Oregon is $52,656. The median household income for the surrounding county is $54,122 compared to the national median of $66,222. The median age of people living in Grass Valley is 47.2 years.
The average high temperature in July is 83.83 degrees, with an average low temperature in January of 24.32 degrees. The annual precipitation is 12.22.