Spencer is a city located in New York. Spencer has a 2020 population of 2,966. Spencer is currently growing at a rate of 0.41% annually but its population has decreased by -4.54% since the most recent census, which recorded a population of 3,107 in 2010. Spencer reached it's highest population of 3,107 in 2010.
The average household income in Spencer is $59,823 with a poverty rate of 10.49%. The median rental costs in recent years comes to $993 per month, and the median house value is $128,900. The median age in Spencer is 39.4 years, 36.6 years for males, and 39.8 years for females. For every 100 females there are 94.6 males.