Sponsored Topics. Phenix is a town in Charlotte County, Virginia, United States. The population was 200 at the 2000 census. Phenix is located at 37°4′51″N 78°44′50″W / 37.08083°N 78.74722°W / 37.08083; -78.74722 (37.080841, -78.747183). According to the United States Census Bureau, the town has a total area of 1.1 square miles (3.0 km²), all of it land.