Sullivan is located in Illinois.
Sullivan, Illinois has a population of
4,347.
Sullivan is
less
family-centric than the surrounding county with
24% households with children.
The county percentage for households with children is 29%.
The median household income in Sullivan, Illinois is
$59,693.
The median household income for the surrounding county is $62,913
compared to the national median of $66,222.
The median age of people living in Sullivan is
41.7 years.
Sullivan Weather
The average high temperature in July is 86.9
degrees, with an average low temperature in January of 18.9 degrees.
The annual precipitation is
39.14.
