Clifford, Illinois facts for kids
Clifford is a former unincorporated community in northwestern Williamson County, Illinois. It is a former early 20th century mining settlement that has all but disappeared since the closing of local mines.
A post office was established on 26 January 1905, until it ceased operations after 1931.
The population in 1958 was listed as 300.
Clifford, Illinois Facts for Kids. Kiddle Encyclopedia.