Vernon Hills is a city located in Lake County Illinois. With a 2020 population of 26,427, it is the 83rd largest city in Illinois and the 1461st largest city in the United States . Vernon Hills is currently declining at a rate of -0.18% annually but its population has increased by 5.23% since the most recent census, which recorded a population of 25,113 in 2010. Vernon Hills reached it's highest population of 26,568 in 2018. Spanning over 8 miles, Vernon Hills has a population density of 3,414 people per square mile.
The average household income in Vernon Hills is $132,228 with a poverty rate of 6.46%. The median rental costs in recent years comes to $1,609 per month, and the median house value is $348,900. The median age in Vernon Hills is 39.1 years, 37 years for males, and 40.7 years for females.