Old Lyme is located in Connecticut. Old Lyme, Connecticut has a population of 7,770. Old Lyme is less family-centric than the surrounding county with 22% households with children. The county percentage for households with children is 26%.
The median household income in Old Lyme, Connecticut is $100,630. The median household income for the surrounding county is $75,589 compared to the national median of $66,222. The median age of people living in Old Lyme is 53.1 years.
The average high temperature in July is 80.1 degrees, with an average low temperature in January of 23.7 degrees. The annual precipitation is 45.91.