STD Counseling & Testing

Sexually Transmitted Infection (STI) Testing & Treatment Clinic

The Hamilton Township Division of Health offers free and confidential clinics for STIs to residents of Hamilton Township and residents of the municipalities of East Windsor, Ewing, Hightstown, Hopewell Township, Lawrence, Princeton, Robbinsville, and West Windsor. **Starting April 1, 2023 residents of Hopewell and Pennington boroughs may utilized the clinic. 

STI Clinic Schedule: Tuesdays, 9 am to noon and 3 to 5:30 pm

Walk-in, No Appointment Required!

Location: 2100 Greenwood Avenue, Hamilton, NJ 08609

Face masks required during the clinic

See the STI Clinic Flyer (PDF)

Please call the Hamilton Township Division of Health at either 609-890-3647 or 609-890-3884 for more information about STI testing, screening, and treatment.

Students residing on the campuses of Rider University and The College of NJ will also receive services free of charge with a college ID.

Please Note: Trenton residents may use Henry J. Austin Health Center for services.

HIV Testing Information

The Hamilton Township Division of Health currently offers HIV testing through a partnership with the NJ Department of Health. HIV Testing takes place during the same hours of the STI clinic mentioned above. HIV tests are rapid with results in approximately 20 minutes.

Visit for more information on HIV and other HIV testing locations

Other Clinics

All Mercer County residents may also use the following clinic for STI or HIV Testing:

Henry J. Austin Health Center
321 North Warren Street
Trenton, NJ 08618

Please call for an appointment:

  • HIV Testing: 609-278-5951 or 609-278-5946
  • Main Clinic: 609-278-5900