Clinton is a town located on Long Island Sound in Middlesex County, Connecticut, United States. The population was 13,094 at the 2000 census. The town center along the shore line was listed as a census-designated place (CDP) by the U.S. Census Bureau in the 2000 census. According to the United States Census Bureau, the town has a total area of 19.0 square miles (49km2), of which, 16.3 square miles (42km2) of it is land and 2.8 square miles (7.3km2) of it (14.50%) is water. The CDP corresponding to the town center has a total area of 2.7 square miles (7.0km2), of which, 2.4 square miles (6.2km2) of it is land and 0.3 square miles (0.78km2) of it is water.