Mehlville is located in Missouri. Mehlville, Missouri has a population of 27,983. Mehlville is less family-centric than the surrounding county with 19% households with children. The county percentage for households with children is 27%.
The median household income in Mehlville, Missouri is $61,325. The median household income for the surrounding county is $69,900 compared to the national median of $66,222. The median age of people living in Mehlville is 41.7 years.
The average high temperature in July is 88.7 degrees, with an average low temperature in January of 20 degrees. The annual precipitation is 40.33.