Fairfax County is in Northern Virginia. Of the 133 counties in the Old Dominion, Fairfax County is 48th in terms of its size (260,155 acres). Virginia's Fairfax County includes roughly 1,000 acres of farms for sale based on recent Land Network data. The combined market value of farms and rural land for sale here was approximately $11 million. The average price of farmland for sale in Fairfax County was $2 million. Farms for sale in Fairfax County feature livestock including horses, cattle, goats 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 business or individual needs.