Old Mill Creek is located in Illinois.
Old Mill Creek, Illinois has a population of
428.
Old Mill Creek is
more
family-centric than the surrounding county with
41% households with children.
The county percentage for households with children is 35%.
The median household income in Old Mill Creek, Illinois is
$123,948.
The median household income for the surrounding county is $91,525
compared to the national median of $66,222.
The median age of people living in Old Mill Creek is
41 years.
Old Mill Creek Weather
The average high temperature in July is 82.02
degrees, with an average low temperature in January of 12.06 degrees.
The annual precipitation is
34.61.