STD Rates in Warren County, New Jersey

2023 CDC surveillance data for Warren County, New Jersey — chlamydia, gonorrhea, and syphilis rates with state comparisons.

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Data Year: 2023 Source: CDC STI Surveillance Population: 111,275
Combined
248
per 100K
17th / 21
Chlamydia
203.1
per 100K • 226 cases
Gonorrhea
42.2
per 100K • 47 cases
Syphilis P&S
2.7
per 100K • 3 cases

Warren County is among the lower-burden counties in New Jersey, reporting a combined STD rate of 248.0 per 100,000 residents in 2023 — 17th of 21 counties. Reported infections included chlamydia at 203.1 per 100,000 (226 cases, 47% below the state rate), gonorrhea at 42.2 per 100,000 (47 cases, 61% below the state rate), syphilis at 2.7 per 100,000 (3 cases, 67% below the state rate). Routine testing is the surest way to catch STDs early, since many produce no symptoms. Warren County has confidential testing locations available.

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Warren County vs New Jersey Average

Infection Warren County New Jersey Rate Difference
Chlamydia 203.1 384.1 47% below
Gonorrhea 42.2 109.1 61% below
Syphilis (P&S) 2.7 8.1 67% below

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Largest cities in Warren County, New Jersey

Largest first, by Census population. Each city page lists nearby clinics, free and low-cost testing, and labs.

STD testing in Phillipsburg, NJ15,299 people → STD testing in Hackettstown, NJ10,140 people → STD testing in Washington, NJ7,334 people →

Largest Counties in New Jersey

Bergen County → Middlesex County → Essex County → Hudson County → Ocean County → Monmouth County → Union County → Camden County → Morris County → Passaic County →

All 21 New Jersey counties → STD testing in New Jersey →

FAQs

Warren County ranks 17th of 21 New Jersey counties for combined STD rate in 2023, at 248.0 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Warren County, with 226 cases at a rate of 203.1 per 100,000 residents.
STDTest.com lists confidential testing locations across Warren County and New Jersey. Many offer same-day appointments with results in 1–3 days.

Related Resources

STD Testing Window Periods How Soon After Sex to Test STD Symptoms Guide Testing Timeline Chart All Testing Clinics STD Statistics and Data
Data sourced from the CDC's annual STI Surveillance Report. Rates are per 100,000 population and reflect reported cases only — actual prevalence is likely higher due to undiagnosed infections. While we strive for accuracy, STDTest.com makes no representations or warranties regarding the completeness or accuracy of this data and is not responsible for any errors or omissions. This page is for informational purposes only and does not constitute medical advice.
Sources