Griswold is located in Connecticut. Griswold, Connecticut has a population of 12,351. Griswold is more family-centric than the surrounding county with 31% households with children. The county percentage for households with children is 26%.
The median household income in Griswold, Connecticut is $64,882. 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 Griswold is 42.9 years.
The average high temperature in July is 83.8 degrees, with an average low temperature in January of 17.3 degrees. The annual precipitation is 52.78.