Collinsville is located in Connecticut. Collinsville, Connecticut has a population of 3,551. Collinsville is more family-centric than the surrounding county with 38.68% of the households containing married families with children. The county average for households married with children is 29.12%.
The median household income in Collinsville, Connecticut is $103,750. The median household income for the surrounding county is $80,320 compared to the national median of $69,021. The median age of people living in Collinsville is 47.1 years.
The average high temperature in July is 82.6 degrees, with an average low temperature in January of 13.6 degrees. The average rainfall is approximately 52.7 inches per year, with 46.3 inches of snow per year.
