Gridley is located in Illinois. Gridley, Illinois has a population of 1,245. Gridley is less family-centric than the surrounding county with 26.42% of the households containing married families with children. The county average for households married with children is 33.65%.
The median household income in Gridley, Illinois is $53,958. The median household income for the surrounding county is $70,339 compared to the national median of $69,021. The median age of people living in Gridley is 48 years.
The average high temperature in July is 85.6 degrees, with an average low temperature in January of 15.2 degrees. The average rainfall is approximately 37.4 inches per year, with 20.5 inches of snow per year.
