1 Messiah College, PA. 2  Dickinson College, PA. 3  Harrisburg University of Science and Technology, PA. 4  Harrisburg Area Community College, PA. 5  Central Pennsylvania College, PA.  Carlisle Barracks, PA.
Vernon Hills is located in north Illinois. Vernon Hills is part of Lake County. Vernon Hills has 7.71 square miles of land area and 0.21 square miles of water area. As of 2010, the total Vernon Hills population is 25,113, which has grown 24.82% since 2000. The population growth rate is much higher than the state average rate of 3.31% and is much higher than the national average rate of 9.71%.
Mount Vernon, IL City Data - Population, Homes, Statistics. Mount Vernon, IL is a city with great restaurants, attractions, history and people. There are around 16,269 people who live in Mount Vernon and approximately 40,045 who live in Jefferson County.