Johnston County is in Lake & Trail Country Oklahoma. Of the 77 counties in the state, 421,276-acre Johnston County ranks 58th by size. There is approximately 1,000 acres of farms for sale in Johnston County, Oklahoma, based on recent Land Network data. The combined market value of ranches, farms, hunting land and other rural land and acreage for sale here is approximately $9 million. The average price of farmland for sale in Johnston County was $939,399. Farms for sale in Johnston 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 commercial or lifestyle needs.