Sleepy Hollow is located in Illinois. Sleepy Hollow, Illinois has a population of 3,234. Sleepy Hollow is less family-centric than the surrounding county with 28.08% of the households containing married families with children. The county average for households married with children is 36.28%.
The median household income in Sleepy Hollow, Illinois is $127,545. The median household income for the surrounding county is $88,935 compared to the national median of $69,021. The median age of people living in Sleepy Hollow is 46.1 years.
The average high temperature in July is 84 degrees, with an average low temperature in January of 12.4 degrees. The average rainfall is approximately 38 inches per year, with 32.6 inches of snow per year.