
Greensburg
- County:
- Decatur County
- County Seat:
- Yes
- Area (mi²):
- 9.362
- State:
- Indiana
Greensburg is a city located in Decatur County, Indiana. Greensburg has a 2025 population of 12,385. It is also the county seat of Decatur County. Greensburg is currently growing at a rate of 0.09% annually and its population has increased by 0.45% since the most recent census, which recorded a population of 12,330 in 2020.
The average household income in Greensburg is $73,842 with a poverty rate of 13.3%. The median age in Greensburg is 39.1 years: 35.8 years for males, and 41.7 years for females.