Loudoun County is in Northern Virginia. Of the 133 counties in the Old Dominion, Loudoun County is 21st in terms of its size (521 square miles). There is nearly 1,000 acres of farms for sale in Virginia's Loudoun County based on recent Land Network data. The combined market value of farmsand rural real estate for sale here is about $14 million. The average price of farms for sale in Loudoun County was $2 million. Farms for sale in Loudoun County hold livestock including horses, cattle, sheep and goats. 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 lifestyle needs.