Greensburg is a city located in Decatur County Indiana. It is also the county seat of Decatur County. With a 2020 population of 11,883, it is the 70th largest city in Indiana and the 2743rd largest city in the United States . Greensburg is currently declining at a rate of -0.03% annually but its population has increased by 3.40% since the most recent census, which recorded a population of 11,492 in 2010. Greensburg reached it's highest population of 11,895 in 2018. Spanning over 9 miles, Greensburg has a population density of 1,284 people per square mile.
The average household income in Greensburg is $63,830 with a poverty rate of 9.69%. The median rental costs in recent years comes to $774 per month, and the median house value is $120,800. The median age in Greensburg is 40.1 years, 36.1 years for males, and 43.3 years for females.