Clinton is a town in Middlesex County, Connecticut, United States. The population of the town was 13,260 at the 2010 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 (49 km2), of which 16.3 square miles (42 km2) is land and 2.8 square miles (7.3 km2) (14.50%) is water. The CDP corresponding to the town center has a total area of 2.7 square miles (7.0 km2), of which 2.4 square miles (6.2 km2) is land and 0.3 square miles (0.78 km2) is water.
Clinton is bordered by the towns of Madison on the west, Westbrook on the east, and Killingworth on the north. Clinton is directly from Long Island Sound. The town has one town beach named Clinton Beach. Many fishers come to Clinton to catch bluefish.
The town center is known as Clinton Center.