Griggsville is located in Illinois. Griggsville, Illinois has a population of 1,501. Griggsville is more family-centric than the surrounding county with 36.77% of the households containing married families with children. The county average for households married with children is 28.11%.
The median household income in Griggsville, Illinois is $47,656. The median household income for the surrounding county is $41,387 compared to the national median of $57,652. The median age of people living in Griggsville is 33.8 years.
The average high temperature in July is 87.2 degrees, with an average low temperature in January of 18.4 degrees. The average rainfall is approximately 39.1 inches per year, with 13.3 inches of snow per year.
