Rockbridge is located in Illinois. Rockbridge, Illinois has a population of 186. Rockbridge is less family-centric than the surrounding county with 24.14% of the households containing married families with children. The county average for households married with children is 24.41%.
The median household income in Rockbridge, Illinois is $61,875. The median household income for the surrounding county is $54,427 compared to the national median of $69,021. The median age of people living in Rockbridge is 45.5 years.
The average high temperature in July is 86.4 degrees, with an average low temperature in January of 18.5 degrees. The average rainfall is approximately 40 inches per year, with 15.9 inches of snow per year.
