St. James is a city located in Maryland. St. James has a 2020 population of 3,100. St. James is currently declining at a rate of 0.00% annually and its population has increased by 4.98% since the most recent census, which recorded a population of 2,953 in 2010. St. James reached it's highest population of 3,431 in 2016.
The average household income in St. James is $99,896 with a poverty rate of 5.20%. The median rental costs in recent years comes to $1,215 per month, and the median house value is $242,500. The median age in St. James is 36.7 years, 36.3 years for males, and 36.9 years for females. For every 100 females there are 115.0 males.