Frontenac is located in Missouri. Frontenac, Missouri has a population of 3,257. Frontenac is more family-centric than the surrounding county with 35% households with children. The county percentage for households with children is 27%.
The median household income in Frontenac, Missouri is $160,799. 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 Frontenac is 50.4 years.
The average high temperature in July is 89.2 degrees, with an average low temperature in January of 17.3 degrees. The annual precipitation is 43.19.