Westerville is located in Ohio. Westerville, Ohio has a population of 36,415. Westerville is more family-centric than the surrounding county with 36,81% of the households containing married families with children. The county average for households married with children is 32%.
The median household income in Westerville, Ohio is $84,095. The median household income for the surrounding county is $50,700 compared to the national median of $53.046. The median age of people living in Westerville is 39.4 years.
The average high temperature in July is 86 degrees, with an average low temperature in January of 18.5 degrees. The average rainfall is approximately 37.9 inches per year, with 19 inches of snow per year.