Jerseyville is located in Illinois. Jerseyville, Illinois has a population of 7,674. Jerseyville is more family-centric than the surrounding county with 30.96% of the households containing married families with children. The county average for households married with children is 30.2%.
The median household income in Jerseyville, Illinois is $63,178. The median household income for the surrounding county is $71,655 compared to the national median of $69,021. The median age of people living in Jerseyville is 42.9 years.
The average high temperature in July is 87.1 degrees, with an average low temperature in January of 19.5 degrees. The average rainfall is approximately 40.1 inches per year, with 15.5 inches of snow per year.
