
Vernon Hills
- County:
- Lake County
- County Seat:
- No
- Area (mi²):
- 7.737
- State:
- Illinois
Vernon Hills is a village located in Lake County, Illinois. Vernon Hills has a 2025 population of 26,579. Vernon Hills is currently declining at a rate of -0.18% annually and its population has decreased by -0.91% since the most recent census, which recorded a population of 26,823 in 2020.
The average household income in Vernon Hills is $152,511 with a poverty rate of 5.59%. The median age in Vernon Hills is 41.3 years: 40 years for males, and 43.3 years for females.