St Marks is located in Florida. St Marks, Florida has a population of 203. St Marks is less family-centric than the surrounding county with 26.32% of the households containing married families with children. The county average for households married with children is 29.71%.
The median household income in St Marks, Florida is $57,813. The median household income for the surrounding county is $57,866 compared to the national median of $57,652. The median age of people living in St Marks is 55.3 years.
The average high temperature in July is 92.1 degrees, with an average low temperature in January of 39 degrees. The average rainfall is approximately 56.4 inches per year, with 0.1 inches of snow per year.