New Alexandria
- County:
- Westmoreland County
- County Seat:
- No
- Area (mi²):
- 0.847
- State:
- Pennsylvania
New Alexandria is a borough located in Westmoreland County, Pennsylvania. New Alexandria has a 2026 population of 484. New Alexandria is currently declining at a rate of -0.21% annually and its population has decreased by -2.42% since the most recent census, which recorded a population of 496 in 2020.
The median household income in New Alexandria is $76,250 with a poverty rate of 4.91%. The median age in New Alexandria is 57.3 years: 51.5 years for males, and 59.8 years for females. For every 100 females there are 98.2 males.