Groton is a city located in New London County Connecticut. Groton has a 2020 population of 38,222. Groton is currently declining at a rate of -0.28% annually and its population has decreased by -4.67% since the most recent census, which recorded a population of 40,093 in 2010. Groton reached it's highest population of 40,222 in 2012.
The average household income in Groton is $86,557 with a poverty rate of 9.88%. The median rental costs in recent years comes to $1,268 per month, and the median house value is $242,600. The median age in Groton is 34.1 years, 29.7 years for males, and 40 years for females.