Override differs from new modifiers in that the former is used only to override a virtual member of a base class while the latter also helps to override a non-virtual member defined in a base class by hiding the definition contained in the base class.
QuickFacts Mount Zion village, Illinois. QuickFacts provides statistics for all states and counties, and for cities and towns with a population of 5,000 or more.
Mount Vernon, IL City Data - Population, Homes, Statistics. Mount Vernon, IL City Data. 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.