Ayer is a city located in Massachusetts. Ayer has a 2020 population of 2,604. Ayer is currently declining at a rate of 0.00% annually and its population has decreased by -9.21% since the most recent census, which recorded a population of 2,868 in 2010. Ayer reached it's highest population of 3,103 in 2015.
The average household income in Ayer is $81,570 with a poverty rate of 9.06%. The median rental costs in recent years comes to $870 per month, and the median house value is $289,600. The median age in Ayer is 40 years, 43.1 years for males, and 39.8 years for females. For every 100 females there are 107.7 males.