Old Mystic is a city located in New London County Connecticut. Old Mystic has a 2020 population of 3,383. Old Mystic is currently declining at a rate of 0.00% annually and its population has decreased by -4.81% since the most recent census, which recorded a population of 3,554 in 2010. Old Mystic reached it's highest population of 3,625 in 2015.
The average household income in Old Mystic is $96,797 with a poverty rate of 8.55%. The median rental costs in recent years comes to $1,408 per month, and the median house value is $238,400. The median age in Old Mystic is 48.1 years, 45.6 years for males, and 50.4 years for females.