Thomaston is a city located in Litchfield County Connecticut. Thomaston has a 2020 population of 7,461. Thomaston is currently declining at a rate of -0.49% annually and its population has decreased by -5.43% since the most recent census, which recorded a population of 7,889 in 2010. Thomaston reached it's highest population of 7,889 in 2010.
The average household income in Thomaston is $87,766 with a poverty rate of 6.75%. The median rental costs in recent years comes to $1,010 per month, and the median house value is $219,800. The median age in Thomaston is 45.8 years, 45 years for males, and 47.1 years for females.