Fox Lake is a city located in Lake County Illinois. With a 2020 population of 10,427, it is the 215th largest city in Illinois and the 3006th largest city in the United States . Fox Lake is currently declining at a rate of -0.11% annually and its population has decreased by -1.44% since the most recent census, which recorded a population of 10,579 in 2010. Fox Lake reached it's highest population of 10,677 in 2010. Spanning over 9 miles, Fox Lake has a population density of 1,332 people per square mile.
The average household income in Fox Lake is $77,985 with a poverty rate of 9.03%. The median rental costs in recent years comes to $1,058 per month, and the median house value is $161,100. The median age in Fox Lake is 45.2 years, 43.9 years for males, and 47.2 years for females.