Johnston County is in Lake & Trail Country Oklahoma. Of the 77 counties in the state, Johnston County ranks 58th in terms of size (658 square miles). Recent listings of farms for sale in Johnston County, Oklahoma, totals 2,000 acres and a combined market value of roughly $16 million. The most common type of land for sale by combined acreage in Johnston County is house. The average price of farms for sale in Johnston County was $1 million. Farms for sale in Johnston County hold 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 individual needs.