According to census.gov, the area in square miles of Marshall County, West Virginia, is 312.18.
According to the NACo, the county seat for Marshall County, West Virginia, is Moundsville.
According to the NACo, Marshall County, West Virginia, was founded in the year 1835.
According to census.gov, the 2007 population estimate of Marshall County, West Virginia, is 35,519.
According to census.gov, the 2007 population density estimate of Marshall County, West Virginia, is 115.7 people per square mile.
The address of the Marshall County Historical Society is: Po Box 267, Moundsville, WV 26041-0267
According to census.gov, the area in square miles of Lewis County, West Virginia, is 389.75.
According to census.gov, the area in square miles of Lincoln County, West Virginia, is 438.59.
According to census.gov, the area in square miles of Mercer County, West Virginia, is 420.69.
According to census.gov, the area in square miles of Morgan County, West Virginia, is 229.67.
According to census.gov, the area in square miles of Ohio County, West Virginia, is 108.86.
According to census.gov, the area in square miles of Pleasants County, West Virginia, is 134.59.
According to census.gov, the area in square miles of Pocahontas County, West Virginia, is 941.85.