Ottawa County is in Green Country Oklahoma. Of the 77 counties in the state, Ottawa County is 74th in terms of its size (484 square miles). Oklahoma's Ottawa County includes nearly 1,000 acres of timberland for sale based on recent Land Network data. The combined market value of farms and ranches for sale here was approximately $4 million. The average price of timberland for sale in Ottawa County was $761,000. Browse all Oklahoma forest and timberland for sale on the Land Network to find the right timberland acreage for your commercial or individual investment needs.