Riverside borough, Pennsylvania
Official LSAD Designation: Riverside borough • Census GEOID: 4265112
• Northumberland County
Riverside borough is an incorporated borough in Northumberland County, Pennsylvania. According to official records from the Census (2025), Riverside borough had an estimated population of 1,991 residents. Official Census Bureau geographic records classify this community under LSAD designation Riverside borough (GEOID 4265112).
Local Government Administration U.S. Census Bureau GMAF
Borough Of Riverside
Municipal
Official Title:
Mayor
Address:
PO BOX 307, RIVERSIDE PA 17868-0307
County Of Northumberland
County
Official Title:
Chairperson
Address:
399 STADIUM DR, SUNBURY PA 17801-3201
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 1,991 | 2025 |
| Median Household Income | $83,750 | 2020-2024 |
| Median Home Value | $258,300 | 2020-2024 |
| Land Area | 4.94 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).