Philippi ('FILL-uh-pea') is a city in and the county seat of Barbour County, West Virginia, United States, along the Tygart Valley River. The population was 2,929 at the 2020 census. In 1861, the city was the site of the Battle of Philippi, known as the "Philippi Races". Although a minor skirmish, this is considered the earliest notable land action of the American Civil War. The city has a weekly newspaper, The Barbour Democrat.