Millstone borough, New Jersey
Official LSAD Designation: Millstone borough • Census GEOID: 3446590
• Somerset County
Millstone borough is an incorporated borough in Somerset County, New Jersey. According to official records from the Census (2025), Millstone borough had an estimated population of 456 residents. Official Census Bureau geographic records classify this community under LSAD designation Millstone borough (GEOID 3446590).
Local Government Administration U.S. Census Bureau GMAF
Borough Of Millstone
Municipal
Official Title:
Borough Clerk
Address:
1353 MILLSTONE RIVER RD, HILLSBOROUGH NJ 08844-5108
County Of Somerset
County
Official Title:
Assistant To The County Administrato
Address:
PO BOX 3000, SOMERVILLE NJ 08876-1262
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 456 | 2025 |
| Median Household Income | $141,709 | 2020-2024 |
| Median Home Value | $494,500 | 2020-2024 |
| Land Area | 0.68 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).