Ottawa County is in Green Country Oklahoma. Of the 77 counties in the Sooner State, Ottawa County is 74th in terms of its size (484 square miles). Recent listings of farms for sale in Oklahoma's Ottawa County totals roughly 1,000 acres and a combined market value of almost $7 million. The most common type of land for sale by combined acreage in Ottawa County is house. The average price of farms for sale in Ottawa County was $487,386. Farms for sale in Ottawa County support livestock including cattle, horses, goats, sheep and pig. Browse all Oklahoma farms for sale on the Land Network to find the farm, cattle operation, hobby farm or other farm property that's right for your future business or lifestyle needs.