Swansea is located in Illinois.
Swansea, Illinois has a population of
13,829.
Swansea is
less
family-centric than the surrounding county with
20% households with children.
The county percentage for households with children is 28%.
The median household income in Swansea, Illinois is
$72,545.
The median household income for the surrounding county is $59,624
compared to the national median of $66,222.
The median age of people living in Swansea is
42.5 years.
Swansea Weather
The average high temperature in July is 89.6
degrees, with an average low temperature in January of 22.1 degrees.
The annual precipitation is
39.37.