Alton is located in Illinois.
Alton, Illinois has a population of
27,865.
Alton is
less
family-centric than the surrounding county with
20.31% of the households
containing married families with children.
The county average for households married with children is 28.46%.
The median household income in Alton, Illinois is
$37,228.
The median household income for the surrounding county is $49,948
compared to the national median of $50,935.
The median age of people living in Alton is
36 years.
Alton Environment
The average high temperature in July is 88
degrees, with an average low temperature in January of 19.9 degrees.
The average rainfall is approximately 38.2 inches
per year, with 10.7 inches of snow per year.
