Saybrook is located in Illinois. Saybrook, Illinois has a population of 688. Saybrook is more family-centric than the surrounding county with 35.87% of the households containing married families with children. The county average for households married with children is 33.65%.
The median household income in Saybrook, Illinois is $52,273. 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 Saybrook is 41.9 years.
The average high temperature in July is 84.1 degrees, with an average low temperature in January of 16.1 degrees. The average rainfall is approximately 38.6 inches per year, with 18.6 inches of snow per year.