STD Rates in Sussex County, New Jersey

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

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Data Year: 2023 Source: CDC STI Surveillance Population: 146,142
Combined
166.3
per 100K
21st / 21
Chlamydia
134.8
per 100K • 197 cases
Gonorrhea
27.4
per 100K • 40 cases
Syphilis P&S
4.1
per 100K • 6 cases

Sussex County is among the lower-burden counties in New Jersey, reporting a combined STD rate of 166.3 per 100,000 residents in 2023 — 21st of 21 counties. Reported infections included chlamydia at 134.8 per 100,000 (197 cases, 65% below the state rate), gonorrhea at 27.4 per 100,000 (40 cases, 75% below the state rate), syphilis at 4.1 per 100,000 (6 cases, 49% below the state rate). Confidential STD testing is available throughout Sussex County — knowing your status is the only way to catch infections that often show no symptoms.

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Sussex County vs New Jersey Average

Infection Sussex County New Jersey Rate Difference
Chlamydia 134.8 384.1 65% below
Gonorrhea 27.4 109.1 75% below
Syphilis (P&S) 4.1 8.1 49% below

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Largest cities in Sussex County, New Jersey

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

STD testing in Hopatcong, NJ14,565 people → STD testing in Lake Mohawk, NJ9,508 people → STD testing in Newton, NJ8,369 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

Sussex County ranks 21st of 21 New Jersey counties for combined STD rate in 2023, at 166.3 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Sussex County, with 197 cases at a rate of 134.8 per 100,000 residents.
STDTest.com lists confidential testing locations across Sussex 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