Griggsville is located in Illinois. Griggsville, Illinois 62340has a population of 1,167. Griggsville 62340 is less family-centric than the surrounding county with 19% households with children. The county percentage for households with children is 27%.
The median household income in Griggsville, Illinois 62340 is $53,335. The median household income for the surrounding county is $49,935 compared to the national median of $66,222. The median age of people living in Griggsville 62340 is 40.5 years.
The average high temperature in July is 86.3 degrees, with an average low temperature in January of 15.5 degrees. The annual precipitation is 37.17.