Vandalia is located in Missouri. Vandalia, Missouri has a population of 3,735. Vandalia is less family-centric than the surrounding county with 21% households with children. The county percentage for households with children is 25%.
The median household income in Vandalia, Missouri is $42,477. The median household income for the surrounding county is $45,850 compared to the national median of $66,222. The median age of people living in Vandalia is 36.9 years.
The average high temperature in July is 87.5 degrees, with an average low temperature in January of 16.1 degrees. The annual precipitation is 39.75.