Pennington borough, New Jersey
Official LSAD Designation: Pennington borough • Census GEOID: 3457600
• Mercer County
Pennington borough is an incorporated borough in Mercer County, New Jersey. According to official records from the Census (2025), Pennington borough had an estimated population of 2,889 residents. Official Census Bureau geographic records classify this community under LSAD designation Pennington borough (GEOID 3457600).
Local Government Administration U.S. Census Bureau GMAF
Borough Of Pennington
Municipal
Official Title:
Mayor Att:betty Sterling
Address:
30 NORTH MAIN STREET, PENNINGTON NJ 08534
County Of Mercer
County
Official Title:
Sr Budget Examiner
Address:
PO BOX 8068, TRENTON NJ 08650-0068
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 2,889 | 2025 |
| Median Household Income | $192,586 | 2020-2024 |
| Median Home Value | $672,900 | 2020-2024 |
| Land Area | 0.96 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).