Stonington is a city located in New London County Connecticut. Stonington has a 2020 population of 18,891. Stonington is currently growing at a rate of 0.89% annually and its population has increased by 1.96% since the most recent census, which recorded a population of 18,528 in 2010. Stonington reached it's highest population of 18,891 in 2021.
The average household income in Stonington is $115,663 with a poverty rate of 7.18%. The median rental costs in recent years comes to $1,133 per month, and the median house value is $335,100. The median age in Stonington is 50.8 years, 49.1 years for males, and 52.3 years for females.