Jacksonville is located in Illinois.
Jacksonville, Illinois has a population of
18,446.
Jacksonville is
less
family-centric than the surrounding county with
23% households with children.
The county percentage for households with children is 25%.
The median household income in Jacksonville, Illinois is
$44,862.
The median household income for the surrounding county is $52,743
compared to the national median of $66,222.
The median age of people living in Jacksonville is
37.7 years.
Jacksonville Weather
The average high temperature in July is 87
degrees, with an average low temperature in January of 15 degrees.
The annual precipitation is
38.47.