Watertown is a city located in Litchfield County Connecticut. Watertown has a 2020 population of 21,436. Watertown is currently declining at a rate of -0.33% annually and its population has decreased by -4.85% since the most recent census, which recorded a population of 22,529 in 2010. Watertown reached it's highest population of 22,529 in 2010.
The average household income in Watertown is $103,481 with a poverty rate of 5.43%. The median rental costs in recent years comes to $1,072 per month, and the median house value is $234,900. The median age in Watertown is 45.8 years, 45.2 years for males, and 46.4 years for females.