Rockbridge is located in Illinois. Rockbridge, Illinois has a population of 183. Rockbridge is less family-centric than the surrounding county with 12.25% of the households containing married families with children. The county average for households married with children is 26.46%.
The median household income in Rockbridge, Illinois is $38,523. The median household income for the surrounding county is $44,502 compared to the national median of $57,652. The median age of people living in Rockbridge is 43.3 years.
The average high temperature in July is 86 degrees, with an average low temperature in January of 18.2 degrees. The average rainfall is approximately 39.8 inches per year, with 16.4 inches of snow per year.
