Grand Ridge is located in Illinois. Grand Ridge, Illinois has a population of 494. Grand Ridge is more family-centric than the surrounding county with 27% households with children. The county percentage for households with children is 26%.
The median household income in Grand Ridge, Illinois is $61,042. The median household income for the surrounding county is $59,610 compared to the national median of $66,222. The median age of people living in Grand Ridge is 37.6 years.
The average high temperature in July is 84.9 degrees, with an average low temperature in January of 12.2 degrees. The annual precipitation is 36.75.
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