Griggsville is located in Illinois. Griggsville, Illinois has a population of 1,328. Griggsville is less family-centric than the surrounding county with 14.84% of the households containing married families with children. The county average for households married with children is 28.47%.
The median household income in Griggsville, Illinois is $42,180. The median household income for the surrounding county is $51,529 compared to the national median of $69,021. The median age of people living in Griggsville is 43.5 years.
The average high temperature in July is 86.4 degrees, with an average low temperature in January of 17.4 degrees. The average rainfall is approximately 39.7 inches per year, with 18.4 inches of snow per year.
