Spencer is a city located in Indiana. With a 2020 population of 2,220, it is the 189th largest city in Indiana and the 7224th largest city in the United States. Spencer is currently declining at a rate of -0.63% annually but its population has increased by 0.14% since the most recent census, which recorded a population of 2,217 in 2010. Spencer reached it's highest population of 2,344 in 2010. Spanning over 2 miles, Spencer has a population density of 1,392 people per square mile.
The average household income in Spencer is $45,142 with a poverty rate of 20.13%. The median rental costs in recent years comes to $637 per month, and the median house value is $91,900. The median age in Spencer is 39 years, 36.4 years for males, and 41.4 years for females. For every 100 females there are 77.2 males.