Located in Oregon, 1,879-square-mile Clackamas County accounts for two percent of the state's total land area. Of Oregon's 36 counties, Clackamas County is one of the three largest counties in the state (population: 401,515, according to 2015 Census estimates). Recent Lands of America data shows that the average price-per-acre value of land for sale in Clackamas County is $9,398. The average list price of property and land for sale was $301,791 (the most expensive listing being for $1.5 million) and the median size of land and real estate for sale in Clackamas County was nine acres. Land for sale in Clackamas County totaled 321 acres and $3.0 million in overall land value, with the city of Canby featuring the most land for sale in the county. Farmland was the most common type of land for sale in Clackamas County.