Triangle, VA

View of Triangle, VA
Image credit: Mrs. Gemstone / CC BY-SA 2.0
Population
10,450
U.S. Census American Community Survey 5-Year · 2024
Elevation
109 ft
Median Home Value
$505,300
U.S. Census American Community Survey 5-Year · 2024
Median Rent
$1,554/mo
U.S. Census American Community Survey 5-Year · 2024
Median Income
$109,693
U.S. Census American Community Survey 5-Year · 2024

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Triangle in context.

About Triangle

Triangle is a census-designated place in southeastern Prince William County, bounded by Dumfries, Prince William Forest Park, and the Potomac River. Its setting is unusually strong for a small community: forested parkland to the west, water to the east, and Marine Corps Base Quantico just to the south. The National Museum of the Marine Corps is one of the area's major landmarks. Triangle feels like a military-adjacent gateway town with woods, commuters, and history packed close together.

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