Plymouth is located in Connecticut. Plymouth, Connecticut has a population of 11,705. Plymouth is less family-centric than the surrounding county with 20.56% of the households containing married families with children. The county average for households married with children is 26.17%.
The median household income in Plymouth, Connecticut is $84,550. The median household income for the surrounding county is $84,797 compared to the national median of $69,021. The median age of people living in Plymouth is 45.5 years.
The average high temperature in July is 82.4 degrees, with an average low temperature in January of 13.2 degrees. The average rainfall is approximately 52.5 inches per year, with 46.2 inches of snow per year.