Northwoods is located in Illinois. Northwoods, Illinois has a population of 12,940.
The median household income in Northwoods, Illinois is $83,379. The median household income for the surrounding county is $100,292 compared to the national median of $69,021. The median age of people living in Northwoods is 35.2 years.
The average high temperature in July is 85.2 degrees, with an average low temperature in January of 13.7 degrees. The average rainfall is approximately 37.8 inches per year, with 30.5 inches of snow per year.