Killingly is located in Connecticut. Killingly, Connecticut has a population of 18,091. Killingly is less family-centric than the surrounding county with 25% households with children. The county percentage for households with children is 26%.
The median household income in Killingly, Connecticut is $63,922. The median household income for the surrounding county is $68,276 compared to the national median of $66,222. The median age of people living in Killingly is 42.8 years.
The average high temperature in July is 81.36 degrees, with an average low temperature in January of 15.73 degrees. The annual precipitation is 52.79.