Glen St Mary is located in Florida. Glen St Mary, Florida has a population of4,250.
The median household income in Glen St Mary, Florida is $60,656. The median household income for the surrounding county is $64,738 compared to the national median of $66,222. The median age of people living in Glen St Mary is 38.1 years.
The average high temperature in July is 91.8 degrees, with an average low temperature in January of 39.6 degrees. The annual precipitation is 52.94.