Warren County, Virginia
Quick answer: Warren County is a county in Virginia with its seat at Front Royal. Its estimated population in 2025 was 42,740, up 5.0% since 2020. It covers about 215 square miles of land.
| Type | county |
|---|---|
| County seat | Front Royal |
| Established | 1836 |
| Population, 2025 estimate | 42,740 |
| Population, 2020 estimate | 40,796 |
| Change 2020–2025 | 4.8% |
| Rank by population in Virginia | 43 of 133 |
Overview
Warren County is a county in the Commonwealth of Virginia, one of 95 in the state.[1] The county seat is Front Royal.[2] The county was established in 1836.[2] The name comes from Joseph Warren.[2]
Population of Warren County
The U.S. Census Bureau estimated the population of Warren County at 42,740 in July 2025, up 5.0% from the April 2020 base of 40,721.[1] That made it 43rd of Virginia's 133 counties and independent cities by population. It ranked 34th for growth since 2020.[1]
From 2020 to 2025 the Census Bureau counted about 2,564 births and 2,502 deaths, a natural increase of 62.[1] More people moved in from other parts of the United States than moved away. Net domestic migration was 1,379. Moves from abroad added 524.[1]
Geography
Warren County covers 214.6 square miles of land and 3.3 square miles of water.[3] By land area it ranks 84th of 133 in Virginia.[3] It had about 199 people per square mile in 2025, so it is a mix of towns and countryside. Its geographic center lies near 38.91° N, 78.21° W.[3]
The county borders Clarke County, Fauquier County, Frederick County, Page County, Rappahannock County and Shenandoah County.[4]
The U.S. Geological Survey place-name database lists 37 named streams, 21 named summits, 13 lakes and reservoirs, 6 gaps and 2 islands, including Greasy Falls, Miller Falls in the county.[5]
Towns
Warren County has one incorporated town: Front Royal (15,722), with its estimated 2025 population in brackets.[6] In Virginia, towns remain part of the county around them, unlike independent cities.
Frequently asked questions
What is the county seat of Warren County?
Front Royal.
What is the population of Warren County?
About 42,740 people in 2025, according to the U.S. Census Bureau.
How big is Warren County?
About 215 square miles of land, plus 3.3 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, Warren 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.warrencountyva.net
Boundary on the map: Census TIGERweb. See all counties and cities on the map.