Long Lake is a city located in Illinois. Long Lake has a 2020 population of 3,557. Long Lake is currently declining at a rate of 0.00% annually and its population has increased by 1.19% since the most recent census, which recorded a population of 3,515 in 2010. Long Lake reached it's highest population of 3,715 in 2015.
The average household income in Long Lake is $90,506 with a poverty rate of 5.93%. The median rental costs in recent years comes to $1,210 per month, and the median house value is $155,800. The median age in Long Lake is 38.1 years, 30.5 years for males, and 44.7 years for females.