Warren County is in North New Jersey. Of the 21 counties in the state, 362-square-mile Warren County ranks 11th by size. Recent Land Network data includes nearly 1,000 acres of farms for sale in New Jersey's Warren County, which is valued at a combined $5 million. The average price of farms for sale in Warren County was $2 million. Together with fields and farmland for grazing and crop production, Warren 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 business or lifestyle needs.