Thornburg borough, Pennsylvania
Official LSAD Designation: Thornburg borough • Census GEOID: 4276560
• Allegheny County
Thornburg borough is an incorporated borough in Allegheny County, Pennsylvania. According to official records from the Census (2025), Thornburg borough had an estimated population of 447 residents. Official Census Bureau geographic records classify this community under LSAD designation Thornburg borough (GEOID 4276560).
Local Government Administration U.S. Census Bureau GMAF
Borough Of Thornburg
Municipal
Official Title:
Mayor
Address:
235 TECH RD, PITTSBURGH PA 15205-1735
County Of Allegheny
County
Official Title:
Office Of The Allegheny County Executive
Address:
RM 101 ALLEGHENY COUNTY COURTHOUSE, 436 GRANT ST, PITTSBURGH PA 15219
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 447 | 2025 |
| Median Household Income | $231,250 | 2020-2024 |
| Median Home Value | $469,100 | 2020-2024 |
| Land Area | 0.44 sq mi | Gazetteer (2026) |
| Civic & Public Services | Hospitals, Libraries, Colleges | CMS / IMLS / IPEDS |
| Schools & Districts | NCES Directory Listings | Provided by k12guides.com |
| Nearby Airports | Landing Facilities | Provided by airport-data.com |
| Climate & Weather | NOAA 30-Year Normals | 1991–2020 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).