Johnson County is in Eastern Iowa. Of the 99 counties in the Wrestling State, Johnson County is 20th in terms of its size (398,760 acres). Iowa's Johnson County has 1,000 acres of farms for sale based on recent Land Network data. The combined market value of land and rural real estate for sale here was about $2 million. The average price of farmland for sale in Johnson County was $510,600. Farms for sale in Johnson County sustain livestock including cattle, horses, sheep, goats and pig. Browse all Iowa 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 individual needs.