Franklin Grove is located in Illinois. Franklin Grove, Illinois has a population of 981. Franklin Grove is less family-centric than the surrounding county with 26% households with children. The county percentage for households with children is 26%.
The median household income in Franklin Grove, Illinois is $48,103. The median household income for the surrounding county is $60,397 compared to the national median of $66,222. The median age of people living in Franklin Grove is 41.6 years.
The average high temperature in July is 82 degrees, with an average low temperature in January of 9.5 degrees. The annual precipitation is 37.09.