Spring Bay is located in Illinois. Spring Bay, Illinois has a population of 473. Spring Bay is less family-centric than the surrounding county with 24.46% of the households containing married families with children. The county average for households married with children is 34.75%.
The median household income in Spring Bay, Illinois is $50,938. The median household income for the surrounding county is $69,507 compared to the national median of $57,652. The median age of people living in Spring Bay is 44.1 years.
The average high temperature in July is 86 degrees, with an average low temperature in January of 15.1 degrees. The average rainfall is approximately 38.4 inches per year, with 21.3 inches of snow per year.