New Alexandria is a borough in Westmoreland County, Pennsylvania, home to about 448 people across 0.8 square miles. It has no ZIP code of its own: it’s part of 15670.
Homes sold for a median of $301 per square foot in the three months ending August 2026, a balanced market.
Mostly Salem Township (Westmoreland County); part is in New Alexandria
Each card is that ZIP code’s whole market, including any part outside New Alexandria. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up New Alexandria’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Pittsburgh International Airport (PIT)43 miles away |
|---|---|
| Closer regional airport | Arnold Palmer Regional Airport (LBE)9 miles away |
| Nearest city of 250,000+ | Pittsburgh, PA29 miles away |
| Nearest city of 1 million+ | Philadelphia, PA228 miles away |
Straight-line distances from the center of New Alexandria; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
New Alexandria had 501 residents in the 2020 census, down 16% since 2000.
It’s the 2216th largest of 2,568 towns in Pennsylvania by population.
Westmoreland County grew from 160,175 residents in 1900 to 354,663 in 2020.
Westmoreland County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 83°F in summer, and winter lows average 19°F. About 43.5 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Loyalhanna Lake, PA weather station (4 miles away).
124,843 jobs at 8,428 businesses in Westmoreland County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
8 doctors and other health care providers list an office in New Alexandria.
Nearest hospitals
Providers with an office here
| Primary care doctors | 1 |
|---|---|
| Dentists | 1 |
| Nurse practitioners and physician assistants | 1 |
| Physical and occupational therapists | 3 |
| Chiropractors | 2 |
| Pharmacies | 2 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (2 nearby)
Counts are within about 1 mile of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Public schools here are run by Greensburg Salem SD. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Metzgar El SchNew Alexandria | K–5 | 256 | Public | 1.0 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Salem Township (Westmoreland County), Derry Township (Westmoreland County), Unity and Loyalhanna.
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.