Summit city, New Jersey
Official LSAD Designation: Summit city • Census GEOID: 3471430
• Union County
Summit city is an incorporated city in Union County, New Jersey. According to official records from the Census (2025), Summit city had an estimated population of 23,314 residents. Official Census Bureau geographic records classify this community under LSAD designation Summit city (GEOID 3471430).
Local Government Administration U.S. Census Bureau GMAF
City Of Summit
Municipal
Official Title:
Administrative Assistant
Address:
512 SPRINGFIELD AVENUE, SUMMIT NJ 07901-2607
County Of Union
County
Official Title:
Clerk Of The Board
Address:
10 ELIZABETHTOWN PLZ, ELIZABETH NJ 07207-3451
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 23,314 | 2025 |
| Median Household Income | $190,304 | 2020-2024 |
| Median Home Value | $994,500 | 2020-2024 |
| Land Area | 5.99 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).