Prince William's designated rural area makes up 54% of the county's total landmass, or about 117,000 acres. That includes Marine Corps Base Quantico and land protected by the federal, state and local government that make up 38% of the rural area. The rural area is home to about 27,000 people, or about 5% of the county's population. Less than 10,000 acres of the rural area is being actively farmed. Here's a breakdown of the total acreage: