Chantilly, Census-designated place in Fairfax County, Virginia.
Chantilly is a residential area in Fairfax County, Virginia, located west of Washington DC and home to several thousand people. The community spreads across a mix of neighborhoods with single-family houses, townhomes, and apartment buildings connected by tree-lined streets and local parks.
The name comes from an early 19th-century estate that took its title from a famous French château north of Paris. Over time, the area grew into a suburb for people working in the capital.
The population of 24,301 residents represents multiple ethnic backgrounds, with significant White, Asian, Hispanic, and African American communities according to 2020 census data.
The area sits about 25 miles west of the capital and connects via Interstate 66 and US Route 50. Commuters often use the highways to reach jobs in Washington DC.
The National Reconnaissance Office headquarters operates here and plays a central role in American intelligence work. Many residents work in security-related fields and shape the local economy.
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