Greensburg is a city located in Westmoreland County Pennsylvania. It is also the county seat of Westmoreland County. With a 2020 population of 13,949, it is the 39th largest city in Pennsylvania and the 2434th largest city in the United States . Greensburg is currently declining at a rate of -0.58% annually and its population has decreased by -6.33% since the most recent census, which recorded a population of 14,892 in 2010. Greensburg reached it's highest population of 17,558 in 1980. Spanning over 4 miles, Greensburg has a population density of 3,440 people per square mile.
The average household income in Greensburg is $55,105 with a poverty rate of 18.77%. The median rental costs in recent years comes to $656 per month, and the median house value is $134,000. The median age in Greensburg is 38.8 years, 35.8 years for males, and 43.2 years for females.