The name Quantico, Prince William, Virginia refers to two different places. One is the small incorporated Town of Quantico. The other is Marine Corps Base Quantico, a federal installation.

Quick answer: Quantico is an incorporated town in Prince William County, Virginia, with an estimated 597 residents in 2025. It is one of four towns in the county. The town is separate from Marine Corps Base Quantico, which is a federal installation.

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A Town Inside Prince William County

Prince William County contains four incorporated towns: Dumfries, Haymarket, Occoquan and Quantico.[1] In Virginia a town remains part of the county that surrounds it, while an independent city does not.[2]

The difference is visible in Prince William County itself. Manassas and Manassas Park are independent cities. Their residents are not liable for Prince William County taxes.[1] Residents of Quantico, by contrast, are county residents as well as town residents.

Population of the Town

The Census Bureau estimated the population of the Town of Quantico at 597 in 2025, up from 578 at the 2020 base.[3] Quantico is the smallest of the four towns in the county.

Town in Prince William County Population, 2020 base Population, 2025 estimate
Dumfries 5,675 6,405
Haymarket 1,535 1,602
Occoquan 1,035 1,078
Quantico 578 597

Prince William County as a whole had an estimated 502,966 residents in 2025.[4] The four towns together held fewer than 10,000 of them.

Local Government and Taxes

The town handles some local matters on its own. According to the county, the Towns of Occoquan, Haymarket and Quantico process their own zoning approvals and site plan approvals, while the county still issues building and trade permits there.[5]

Taxes follow the same two-level pattern. Town residents pay Prince William County real estate taxes, and the town levies a separate real estate tax of its own.[1] Each town also sets its own rules for vehicle decals.

Marine Corps Base Quantico

Marine Corps Base Quantico is a federal military installation, not part of the town government. Part of the base is listed as the Quantico Marine Corps Base Historic District. The district includes 239 buildings, sites and objects and reflects the development of the base from 1918 to 1949.[6]

The historic district entered the Virginia Landmarks Register on June 16, 1999, and the National Register of Historic Places on March 26, 2001.[6] Among its features are thirty prefabricated metal Lustron houses from the 1940s.

Frequently asked questions

Is Quantico, Prince William, Virginia a town or a military base? Both exist. The Town of Quantico is an incorporated town; Marine Corps Base Quantico is a separate federal installation.

What county is Quantico, Virginia in? The town is in Prince William County.

How many people live in the Town of Quantico? About 597, according to the Census Bureau’s 2025 estimate.

Do Quantico residents pay Prince William County taxes? Yes. Town residents pay county real estate taxes and a separate town real estate tax.

References

Prince William County and its two independent cities appear on the map of Virginia counties.