Johnsburg is located in Illinois. Johnsburg, Illinois has a population of 6,399. Johnsburg is more family-centric than the surrounding county with 34.98% of the households containing married families with children. The county average for households married with children is 33.95%.
The median household income in Johnsburg, Illinois is $120,500. The median household income for the surrounding county is $93,801 compared to the national median of $69,021. The median age of people living in Johnsburg is 39.9 years.
The average high temperature in July is 82.1 degrees, with an average low temperature in January of 13.4 degrees. The average rainfall is approximately 36.1 inches per year, with 40 inches of snow per year.
