Greene County is located in Ohio. The county covers 416 square miles (266,394 acres), representing less than one percent of the state. Of the 88 counties in Ohio, Greene County ranks 18th in terms of the size of its population (164,427, according to 2015 Census estimates). Government and state-level services are the main economic drivers in Greene County. Recent data from Lands of America calculates the average value of land for sale in Greene County at $5,206 per acre. The average list price of property and land for sale was $409,950 (the most expensive listing being for $795,000) and the median land-parcel size was 79 acres. Land for sale in Greene County totaled 158 acres and $819,900 in overall land value. Farmland was the most common type of land for sale in Greene County.