Ridgeley is a town in Mineral County, West Virginia, United States, and part of the Cumberland Metropolitan Statistical Area. The population was 590 at the 2020 census. Ridgeley was initially known as St. Clairsville, named for Sir John St Clair, Lt Colonel and Quartermaster General for the British General Edward Braddock. St Clair accompanied Braddock on his ill-fated march on Fort Duquesne and his disastrous defeat on July 9, 1755.