Fauquier County, Virginia
Quick answer: Fauquier County is a county in Virginia with its seat at Warrenton. Its estimated population in 2025 was 76,503, up 4.8% since 2020. It covers about 648 square miles of land.
| Type | county |
|---|---|
| County seat | Warrenton |
| Established | 1759 |
| Population, 2025 estimate | 76,503 |
| Population, 2020 estimate | 73,012 |
| Change 2020–2025 | 4.8% |
| Rank by population in Virginia | 29 of 133 |
Overview
Fauquier County is a county in the Commonwealth of Virginia, one of 95 in the state.[1] The county seat is Warrenton.[2] The county was established in 1759.[2] The name comes from Francis Fauquier.[2]
Population of Fauquier County
The U.S. Census Bureau estimated the population of Fauquier County at 76,503 in July 2025, up 4.8% from the April 2020 base of 72,971.[1] That made it 29th of Virginia's 133 counties and independent cities by population. It ranked 35th for growth since 2020.[1]
From 2020 to 2025 the Census Bureau counted about 3,868 births and 3,482 deaths, a natural increase of 386.[1] More people moved in from other parts of the United States than moved away. Net domestic migration was 2,620. Moves from abroad added 581.[1]
Geography
Fauquier County covers 648.0 square miles of land and 3.7 square miles of water.[3] By land area it ranks 8th of 133 in Virginia.[3] It had about 118 people per square mile in 2025, so it is mostly rural. Its geographic center lies near 38.74° N, 77.82° W.[3]
The county borders Clarke County, Culpeper County, Loudoun County, Prince William County, Rappahannock County, Stafford County and Warren County.[4]
The U.S. Geological Survey place-name database lists 64 named streams, 32 named summits, 40 lakes and reservoirs, 2 gaps and 1 spring in the county.[5]
Towns
Fauquier County has 3 incorporated towns. With their estimated 2025 populations, they are: Warrenton (10,213), Remington (649), The Plains (261).[6] In Virginia, towns remain part of the county around them, unlike independent cities.
Frequently asked questions
What is the county seat of Fauquier County?
Warrenton.
What is the population of Fauquier County?
About 76,503 people in 2025, according to the U.S. Census Bureau.
How big is Fauquier County?
About 648 square miles of land, plus 3.7 square miles of water.
References
- [1] U.S. Census Bureau, County Population Totals and Components of Change: 2020-2025 (Vintage 2025) – last checked 11/08/2026
- [2] Wikidata, Fauquier County, Virginia (open data, CC0) – last checked 11/08/2026
- [3] U.S. Census Bureau, 2024 Gazetteer Files: Counties – last checked 11/08/2026
- [4] U.S. Census Bureau, County Adjacency File (2024) – last checked 11/08/2026
- [5] U.S. Geological Survey, Geographic Names Information System (GNIS), Domestic Names – last checked 11/08/2026
- [6] U.S. Census Bureau, City and Town Population Totals: 2020-2025 – last checked 11/08/2026
Official website: www.fauquiercounty.gov
Boundary on the map: Census TIGERweb. See all counties and cities on the map.