
Southwest Greensburg
- County:
- Westmoreland County
- County Seat:
- No
- Area (mi²):
- 0.392
- State:
- Pennsylvania
Southwest Greensburg is a borough located in Westmoreland County, Pennsylvania. Southwest Greensburg has a 2025 population of 2,142. Southwest Greensburg is currently declining at a rate of -0.7% annually and its population has decreased by -3.47% since the most recent census, which recorded a population of 2,219 in 2020.
The average household income in Southwest Greensburg is $69,689 with a poverty rate of 7.21%. The median age in Southwest Greensburg is 42.3 years: 39.3 years for males, and 44.4 years for females.