Shelton is a city located in Fairfield County, Connecticut. As of the 2000 census, the city had a total population of 38,101.
According to the United States Census Bureau, the city has a total area of 82.7 km2 (31.9 mi2). 79.2 km2 (30.6 mi2) of it is land and 3.5 km2 (1.4 mi2) of it is water. The total area is 4.26% water.