Dentists in Mercer County, NJ
Our directory lists 428 dental providers and practices in Mercer County, New Jersey (116 registered as organizations). With an estimated 392,138 residents (2024), that is about 10.9 listings per 10,000 people, below the statewide figure of 11.6. Listings are spread across 20 cities and towns.
Cities in Mercer County
- Princeton (72)
- Lawrenceville (58)
- Hamilton (55)
- Trenton (46)
- Pennington (32)
- Hamilton Square (30)
- East Windsor (26)
- Mercerville (22)
- Robbinsville (19)
- West Windsor (18)
- Ewing (16)
- Princeton Junction (11)
- Hopewell (5)
- Lawrence Township (4)
- Hamilton Township (4)
- Hightstown (4)
- West Trenton (2)
- Princeton Jct (2)
- Hamilton Sq (1)
- Bordentown (1)
Types of dental providers
| Primary specialty (NPI taxonomy) | Listings |
|---|---|
| General Dentistry | 345 |
| Orthodontics | 37 |
| Periodontics | 16 |
| Endodontics | 15 |
| Prosthodontics | 9 |
| Oral & Maxillofacial Surgery | 3 |
| Dental Public Health | 2 |
| Dental Anesthesiology | 1 |
Community health centers in Mercer County
HRSA-funded health centers offer a sliding fee scale based on income. Not every site has a dental clinic, so call and ask.
- Henry J. Austin Health Center at All Access Mental Health – 819 Alexander Rd, Princeton
- Henry J. Austin Health Center at Catholic Charities, Diocese of Trenton – 10 Southard St, Trenton
- Henry J. Austin Health Center at Oaks Integrated Care Inc. – 316 E State St, Trenton
- Henry J. Austin Health Center at The Rescue Mission of Trenton – 98 Carroll St, Trenton
- Henry J. Austin Health Center-Bellevue – 433 Bellevue Ave, Trenton
- Henry J. Austin Health Center-Chambers – 317 Chambers St, Trenton
- Henry J. Austin Health Center-Ewing – 112 Ewing St, Trenton
- Henry J. Austin Health Center-Nottingham – 1931 Nottingham Way, Trenton
- Henry J. Austin Health Center-Warren – 321 N Warren St, Trenton
All health centers in New Jersey
Frequently asked questions
How many dentists are in Mercer County?
Our directory lists 428 dental providers and practices with an address in Mercer County, New Jersey, based on the NPI registry.
How many dentists per person does Mercer County have?
About 10.9 dental listings per 10,000 residents, using a 2024 Census population estimate of 392,138. The New Jersey average is 11.6.
Are there low-cost dental options in Mercer County?
There are 9 HRSA-funded health center sites in the county. They charge fees based on income; call to ask whether a site offers dental care.
Listings are matched to the county by ZIP code using the Census Bureau 2020 ZCTA-to-county relationship file; a ZIP that crosses county lines is assigned to the county holding most of its land, so counts are approximate. Sources: NPPES NPI registry (Oct 2026), U.S. Census Bureau 2024 county population estimates, HRSA health center sites. Other counties in New Jersey · Dental care by state