Vandalia Real EstateVandalia is located in Ohio. Vandalia, Ohio has a population of 15,090. Vandalia is more family-centric than the surrounding county with 31.79% of the households containing married families with children. The county average for households married with children is 26.32%. The median household income in Vandalia, Ohio is $52,740. The median household income for the surrounding county is $47,045 compared to the national median of $57,652. The median age of people living in Vandalia is 43.8 years. Vandalia WeatherThe average high temperature in July is 83.8 degrees, with an average low temperature in January of 20.3 degrees. The average rainfall is approximately 40.1 inches per year, with 23.3 inches of snow per year. Vandalia MapReal estate near VandaliaNearby CitiesNearby Cities Homes for Sale |