Vandalia is located in Illinois.
Vandalia, Illinois has a population of
6,827.
Vandalia is
more
family-centric than the surrounding county with
26% households with children.
The county percentage for households with children is 25%.
The median household income in Vandalia, Illinois is
$40,155.
The median household income for the surrounding county is $49,580
compared to the national median of $66,222.
The median age of people living in Vandalia is
37.3 years.
Vandalia Weather
The average high temperature in July is 87.5
degrees, with an average low temperature in January of 18 degrees.
The annual precipitation is
38.9.
