Smithtown is a city located in New York. Smithtown has a 2020 population of 115,902. Smithtown is currently declining at a rate of -0.21% annually and its population has decreased by -1.66% since the most recent census, which recorded a population of 117,856 in 2010. Smithtown reached it's highest population of 118,179 in 2011.
The average household income in Smithtown is $149,538 with a poverty rate of 2.91%. The median rental costs in recent years comes to $1,734 per month, and the median house value is $475,900. The median age in Smithtown is 45.4 years, 44.3 years for males, and 46.3 years for females. For every 100 females there are 95.0 males.