Grand Ridge is located in Illinois. Grand Ridge, Illinois has a population of 650. Grand Ridge is more family-centric than the surrounding county with 26.52% of the households containing married families with children. The county average for households married with children is 25.66%.
The median household income in Grand Ridge, Illinois is $61,528. The median household income for the surrounding county is $62,825 compared to the national median of $69,021. The median age of people living in Grand Ridge is 34.5 years.
The average high temperature in July is 84 degrees, with an average low temperature in January of 14.4 degrees. The average rainfall is approximately 37.7 inches per year, with 23.3 inches of snow per year.