Paris is a town in and the county seat of Oxford County, Maine, United States. The population was 5,183 at the 2010 census. The census-designated place of South Paris is located within the town. Because the U.S. Post Office refers to the entire town as South Paris, the town as a whole is commonly referred to as South Paris. The main exception is the area known as Paris Hill, which is a scenic historic district popular with tourists.