Geff is located in Illinois. Geff, Illinois has a population of 717. Geff is more family-centric than the surrounding county with 31.28% of the households containing married families with children. The county average for households married with children is 29.94%.
The median household income in Geff, Illinois is $47,308. The median household income for the surrounding county is $46,405 compared to the national median of $57,652. The median age of people living in Geff is 44.8 years.
The average high temperature in July is 87.9 degrees, with an average low temperature in January of 21.6 degrees. The average rainfall is approximately 45.3 inches per year, with 12.8 inches of snow per year.
