Romeoville is located in Illinois. Romeoville, Illinois has a population of 40,099. Romeoville is more family-centric than the surrounding county with 40.15% of the households containing married families with children. The county average for households married with children is 37.33%.
The median household income in Romeoville, Illinois is $88,205. The median household income for the surrounding county is $95,751 compared to the national median of $69,021. The median age of people living in Romeoville is 35.5 years.
The average high temperature in July is 83.9 degrees, with an average low temperature in January of 15.7 degrees. The average rainfall is approximately 39.1 inches per year, with 30.1 inches of snow per year.
