Carrsville is a census-designated place in Isle of Wight County in the Hampton Roads region of southeastern Virginia in the United States. The population as of the 2010 Census was 359. The town is named for Jesse Carr, whose family had long roots in Isle of Wight County. Jesse Carr died in the place that would later bear his name.Carrsville was located on the Portsmouth and Roanoke Railroad, built through the area in the mid-1830s to provide a link between the Roanoke River and the port areas of Norfolk and Portsmouth. The railroad is now part of CSX Transportation.The climate in this area is characterized by hot, humid summers and generally mild to cool winters. According to the Köppen Climate Classification system, Carrsville has a humid subtropical climate, abbreviated "Cfa" on climate maps.