Spencer is a city located in Owen County Indiana. It is also the county seat of Owen County. With a 2020 population of 2,234, it is the 189th largest city in Indiana and the 7202nd largest city in the United States . Spencer is currently declining at a rate of -0.49% annually but its population has increased by 0.77% since the most recent census, which recorded a population of 2,217 in 2010. Spencer reached it's highest population of 2,361 in 2010. Spanning over 2 miles, Spencer has a population density of 1,401 people per square mile.
The average household income in Spencer is $52,276 with a poverty rate of 19.77%. The median rental costs in recent years comes to $665 per month, and the median house value is $95,500. The median age in Spencer is 40.6 years, 40.3 years for males, and 41.3 years for females.