Mathews County is a county located in the U.S. state of Virginia. As of the 2020 census, the population was 8,533. Its county seat is Mathews. Located on the Middle Peninsula, Mathews County is included in the Virginia Beach-Norfolk-Newport News, VA-NC Metropolitan Statistical Area.

Cities: Mathews
Area: 252 mi²
Population: 8,490 (2022)
County seat: Mathews
Congressional district: 1st
Founded: 1791