Collinsville is located in Illinois. Collinsville, Illinois 62234has a population of 24,702. Collinsville 62234 is less family-centric than the surrounding county with 26% households with children. The county percentage for households with children is 28%.
The median household income in Collinsville, Illinois 62234 is $55,985. The median household income for the surrounding county is $63,321 compared to the national median of $66,222. The median age of people living in Collinsville 62234 is 39.2 years.
The average high temperature in July is 88.1 degrees, with an average low temperature in January of 19.4 degrees. The annual precipitation is 40.21.