Spencer is a city in Roane County, West Virginia, United States. Originally known as "California," Spencer was chartered in 1858, and named after Spencer Roane, a distinguished jurist from Virginia, who served on the Virginia Supreme Court of Appeals, and for whom Roane county was named. The population was 2,322 at the 2010 census. It is the county seat of Roane County. Spencer is the home of the annual West Virginia Black Walnut Festival. Points of interest include Charles Fork Lake, Chrystal Water and Power Company-Spencer Water and Ice Company, the McIntosh Mansion, and the Robey Theatre.