Franklin is located in Illinois. Franklin, Illinois has a population of 680. Franklin is more family-centric than the surrounding county with 28.05% of the households containing married families with children. The county average for households married with children is 23.69%.
The median household income in Franklin, Illinois is $68,393. The median household income for the surrounding county is $55,261 compared to the national median of $69,021. The median age of people living in Franklin is 33.8 years.
The average high temperature in July is 86.6 degrees, with an average low temperature in January of 17.5 degrees. The average rainfall is approximately 39.7 inches per year, with 17.9 inches of snow per year.