South Beloit, Illinois has a population of 7,950. South Beloit is more family-centric than the surrounding county with 30% households with children. The county percentage for households with children is 28%.
The median household income in South Beloit, Illinois is $63,664. The median household income for the surrounding county is $55,929 compared to the national median of $66,222. The median age of people living in South Beloit is 38.7 years.
The average high temperature in July is 82.5 degrees, with an average low temperature in January of 11.6 degrees. The annual precipitation is 35.25.