Frederick is located in Illinois. Frederick, Illinois has a population of 66. Frederick is less family-centric than the surrounding county with 0% of the households containing married families with children. The county average for households married with children is 25.96%.
The median household income in Frederick, Illinois is $53,000. The median household income for the surrounding county is $47,321 compared to the national median of $57,652. The median age of people living in Frederick is 79.1 years.
The average high temperature in July is 85.9 degrees, with an average low temperature in January of 16.7 degrees. The average rainfall is approximately 39 inches per year, with 15.7 inches of snow per year.