Saint Mary is located in Missouri. Saint Mary, Missouri has a population of 2,185. Saint Mary is less family-centric than the surrounding county with 24% households with children. The county percentage for households with children is 25%.
The median household income in Saint Mary, Missouri is $67,341. The median household income for the surrounding county is $62,711 compared to the national median of $66,222. The median age of people living in Saint Mary is 42.9 years.
The average high temperature in July is 88.6 degrees, with an average low temperature in January of 20.2 degrees. The annual precipitation is 44.14.