Prince William County is in Northern Virginia. Of the 133 counties in the Old Dominion, Prince William County is 60th in terms of its size (222,506 acres). There is nearly 1,000 acres of farms for sale in Virginia's Prince William County based on recent Land Network data. The combined market value of land for sale here is about $51 million. The average price of farms for sale in Prince William County was $7 million. Farms for sale in Prince William County support livestock including horses, goats, cattle and sheep. Browse all Virginia 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.