Coal City is a census-designated place (CDP) in Raleigh County, West Virginia, United States. The population was 1,815 at the 2010 census. Coal City's population is composed of other surrounding unincorporated communities (Whitby, Jonben, and Fireco).
The community was so named on account of the local coal-mining industry.
Coal City is located at 37°41′8″N 81°12′37″W (37.685475, -81.210217).
According to the United States Census Bureau, the CDP known as Coal City has a total area of 6.3 square miles (16.2 km2), all of it land.
As of the census of 2000, there were 1,905 people, 794 households, and 578 families residing in Coal City. The population density was 303.8 people per square mile (117.3/km2). There were 845 housing units at an average density of 134.7/sq mi (52.0/km2). The racial makeup of the CDP was 98.22% White, 0.37% African American, 0.05% Asian, 0.21% from other races, and 1.15% from two or more races. Hispanic or Latino of any race were 1.05% of the population.
There were 794 households, out of which 24.9% had children under the age of 18 living with them, 60.2% were married couples living together, 9.8% had a female householder with no husband present, and 27.1% were non-families.