Sterling is located in Illinois. Sterling, Illinois has a population of 15,300. Sterling is more family-centric than the surrounding county with 28% households with children. The county percentage for households with children is 26%.
The median household income in Sterling, Illinois is $46,084. The median household income for the surrounding county is $55,469 compared to the national median of $66,222. The median age of people living in Sterling is 38.5 years.
The average high temperature in July is 82 degrees, with an average low temperature in January of 9.5 degrees. The annual precipitation is 37.28.