Frederick is located in Illinois. Frederick, Illinois has a population of 323. Frederick is less family-centric than the surrounding county with 13.92% of the households containing married families with children. The county average for households married with children is 26.81%.
The median household income for the surrounding county is $58,447 compared to the national median of $69,021. The median age of people living in Frederick is 43.7 years.
The average high temperature in July is 85.9 degrees, with an average low temperature in January of 17.2 degrees. The average rainfall is approximately 38.5 inches per year, with 15.1 inches of snow per year.
