Third Lake is located in Illinois. Third Lake, Illinois has a population of 1,137. Third Lake is less family-centric than the surrounding county with 34.1% of the households containing married families with children. The county average for households married with children is 36.27%.
The median household income in Third Lake, Illinois is $141,000. The median household income for the surrounding county is $97,127 compared to the national median of $69,021. The median age of people living in Third Lake is 50.3 years.
The average high temperature in July is 82 degrees, with an average low temperature in January of 14.3 degrees. The average rainfall is approximately 36.2 inches per year, with 43.2 inches of snow per year.
