Oak Ridge is a village in Morehouse Parish, Louisiana, United States. The population was 142 at the 2000 census. Oak Ridge is the home of Republican State Senator Robert J. Barham, whose district stretches from Claiborne Parish on the west to West Carroll Parish on the east. The Barham family is a large landholder in Morehouse Parish. Oak Ridge apartments for rent comparison page shows most up to date rent information on Oak Ridge apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.