McClain County is in Frontier Country Oklahoma. Of the 77 counties in the Sooner State, McClain County is 68th in terms of its size (371,362 acres). There is almost 2,000 acres of farms for sale in McClain County, Oklahoma, based on recent Land Network data. The combined market value of farms and ranches for sale here is almost $9 million. The average price of farmland for sale in McClain County was $2 million. Farms for sale in McClain 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.