Sunbury city, Pennsylvania
Official LSAD Designation: Sunbury city • Census GEOID: 4275304
• Northumberland County
Sunbury city is an incorporated city in Northumberland County, Pennsylvania. According to official records from the Census (2025), Sunbury city had an estimated population of 9,495 residents. Official Census Bureau geographic records classify this community under LSAD designation Sunbury city (GEOID 4275304).
Local Government Administration U.S. Census Bureau GMAF
City Of Sunbury
Municipal
Official Title:
City Treasurer
Address:
225 MARKET ST, SUNBURY PA 17801-3427
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 | 9,495 | 2025 |
| Median Household Income | $51,028 | 2020-2024 |
| Median Home Value | $107,200 | 2020-2024 |
| Land Area | 2.01 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).