There were 1,510 households out of which 29.7% had children under the age of 18 living with them, 56.9% were married couples living together, 7.0% had a female householder with no husband present, and 33.4% were non-families. 28.1% of all households were made up of individuals and 13.0% had someone living alone who was 65 years of age or older. The average household size was 2.38 and the average family size was 2.93. Chester is a town in Middlesex County, Connecticut, United States. The population was 3,743 at the 2000 census. The town center is also defined by the U.S. Census Bureau as a census-designated place (CDP).