St Peters is located in Missouri. St Peters, Missouri has a population of 59,175. St Peters is less family-centric than the surrounding county with 29% households with children. The county percentage for households with children is 32%.
The median household income in St Peters, Missouri is $81,454. The median household income for the surrounding county is $85,936 compared to the national median of $66,222. The median age of people living in St Peters is 40.9 years.
The average high temperature in July is 90.2 degrees, with an average low temperature in January of 19 degrees. The annual precipitation is 38.28.