Big Rock is located in Illinois.
Big Rock, Illinois has a population of
989.
Big Rock is
less
family-centric than the surrounding county with
22% households with children.
The county percentage for households with children is 38%.
The median household income in Big Rock, Illinois is
$66,135.
The median household income for the surrounding county is $61,120
compared to the national median of $50,013.
The median age of people living in Big Rock is
47.7 years.
Big Rock Weather
The average high temperature in July is 83.99
degrees, with an average low temperature in January of 10.43 degrees.
The annual precipitation is
38.04.
