Unity is a township in Westmoreland County, Pennsylvania, home to about 21,419 people across 67 square miles. Its ZIP codes are 15638, 15650, 15676 and 15693, and parts of 15601, 15624 and 15670 are in Unity too.
Homes sold for a median of $196 per square foot across 2 ZIP codes in the three months ending August 2026, and 1 of 2 were seller’s markets.
All in Unity
Mostly Unity; also Latrobe and Derry Township (Westmoreland County)
All in Unity
All in Unity
Mostly Hempfield; part is in Unity
Mostly Salem Township (Westmoreland County); part is in Unity
Mostly Salem Township (Westmoreland County); part is in Unity
Each card is that ZIP code’s whole market, including any part outside Unity. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Unity’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)44 miles away |
|---|---|
| Closer regional airport | Arnold Palmer Regional Airport (LBE)2 miles away |
| Nearest city of 250,000+ | Pittsburgh, PA30 miles away |
| Nearest city of 1 million+ | Philadelphia, PA228 miles away |
Straight-line distances from the center of Unity; 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.
Unity had 21,606 residents in the 2020 census, up 2% since 2000.
It’s the 84th 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 82°F in summer, and winter lows average 21°F. About 44 inches of rain and melted snow fall in a typical year, with about 30 inches of snow.
Source: NOAA 1991–2020 climate normals, Mt Pleasant, PA weather station (7 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).
379 doctors and other health care providers list an office in Unity’s ZIP codes.
Nearest hospitals
Providers with an office here
| Primary care doctors | 82 |
|---|---|
| Specialist doctors | 75 |
| Dentists | 17 |
| Nurse practitioners and physician assistants | 68 |
| Mental health providers | 75 |
| Physical and occupational therapists | 28 |
| Optometrists | 13 |
| Chiropractors | 21 |
| Pharmacies | 11 |
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 (24 nearby)
Grocery stores (8 nearby)
Pharmacies (6 nearby)
Libraries (3 nearby)
Museums (1 nearby)
Theaters and performance venues (5 nearby)
Counts are within about 5.5 miles 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.
Colleges and universities
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Greater Latrobe SD, Dr Robert Ketterer CS Inc, Eastern Westmoreland Career and Technology Center. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Baggaley El SchLatrobe | K–6 | 510 | Public | 3.9 mi |
| Latrobe El SchLatrobe | K–6 | 627 | Public | 3.4 mi |
| Dr Robert Ketterer CS IncLatrobe | 6–12 | 127 | Charter | 2.5 mi |
| Greater Latrobe JHSLatrobe | 7–8 | 499 | Public | 3.5 mi |
| Eastern Westmoreland Career and Technology CenterLatrobe | 9–12 | 6 | Career and Technical | 4.3 mi |
| Greater Latrobe SHSLatrobe | 9–12 | 1,115 | Public | 3.5 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Christ the Divine Teacher SchoolLatrobe | Pre-K–8 | 193 | Roman Catholic | 3.2 mi |
| Bible Baptist Christian AcademyLatrobe | K–12 | 90 | Baptist | 5.4 mi |
| Adelphoi Education Partial HospitalizationLatrobe | 2–8 | 20 | Nonsectarian | 3.2 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Hempfield, Greensburg, Latrobe, South Greensburg, Salem Township (Westmoreland County), Derry Township (Westmoreland County), Southwest Greensburg, Mount Pleasant Township (Westmoreland County), Loyalhanna, New Alexandria and Cook.
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.