Tonawanda is a city located in Erie County New York. With a 2020 population of 14,635, it is the 58th largest city in New York and the 2357th largest city in the United States . Tonawanda is currently declining at a rate of -0.37% annually and its population has decreased by -3.27% since the most recent census, which recorded a population of 15,130 in 2010. Tonawanda reached it's highest population of 21,898 in 1970. Spanning over 4 miles, Tonawanda has a population density of 3,848 people per square mile.
The average household income in Tonawanda is $61,175 with a poverty rate of 11.72%. The median rental costs in recent years comes to $689 per month, and the median house value is $108,800. The median age in Tonawanda is 46.1 years, 43.3 years for males, and 48.1 years for females.