Ocosta is located in Washington. Ocosta, Washington has a population of 8,140.
The median household income in Ocosta, Washington is $40,702. The median household income for the surrounding county is $45,483 compared to the national median of $57,652. The median age of people living in Ocosta is 35.1 years.
The average high temperature in July is 68.2 degrees, with an average low temperature in January of 37.2 degrees. The average rainfall is approximately 81.7 inches per year, with 0.3 inches of snow per year.