Alton is located in Illinois.
Alton, Illinois has a population of
26,342.
Alton 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 Alton, Illinois is
$42,389.
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 Alton is
38.2 years.
Alton Weather
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
38.54.
