Mercer County is in Central New Jersey. Of the 21 counties in the state, Mercer County is 16th in terms of its size (228 square miles). A recent survey of Land Network data totals almost 1,000 acres of farms for sale in New Jersey's Mercer County, which is valued at a combined $6 million. The average price of farmland for sale in Mercer County was $3 million. Farms for sale in Mercer County support livestock including horses. Together with fields and farmland for grazing and crop production, Mercer County farms for sale include orchards where harvests include regionally grown fruits and vegetables. Browse all New Jersey 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.