Dolton (pronounced "DAWL-ton") is a village in Cook County, Illinois, United States. The population was 23,153 at the 2010 census. Dolton is located just west of the expressway Interstate 94 and immediately south of the city limits of Chicago. Its most common ZIP code is 60419. Dolton is located at 41°37′39″N 87°35′55″W (41.627509, -87.598512). According to the 2010 census, Dolton has a total area of 4.68 square miles (12.12 km2), of which 4.56 square miles (11.81 km2) (or 97.44%) is land and 0.12 square miles (0.31 km2) (or 2.56%) is water.
A post office has been in operation at Dolton since 1854. The village was named for a family of early settlers.