Johnston County is in Lake & Trail Country Oklahoma. Of the 77 counties in the Cowboy Country, Johnston County is 58th in terms of its size (421,276 acres). There is around 1,000 acres of farms for sale in Johnston County, Oklahoma, based on recent Land Network data. The combined market value of land and rural real estate for sale here is around $9 million. The average price of farms for sale in Johnston County was $939,399. Farms for sale in Johnston County feature 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.