STD Rates in Warren County, New Jersey

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

Data Year: 2023 Source: CDC STI Surveillance Population: 111,275
Combined
248
per 100K
17th / 21
Chlamydia
203.1
per 100K • 226 cases
US rate: 490.7
16th of 21 in New Jersey
Higher than 30% of US counties
Gonorrhea
42.2
per 100K • 47 cases
US rate: 178.2
16th of 21 in New Jersey
Higher than 35% of US counties
Syphilis P&S
2.7
per 100K • 3 cases
Based on 3 cases — interpret with care
US rate: 15.8

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, too few for a reliable comparison). Routine testing is the surest way to catch STDs early, since many produce no symptoms. Warren County has confidential testing locations available.

STD Trends in Warren County, 2000–2023

Reported cases per 100,000 residents each year, against the New Jersey rate (dashed). In a county this size a handful of cases moves the rate a long way, so read the shape rather than any single year.

Chlamydia
203.1
per 100K in 2023
49.5 in 2000
Peak 249.7 in 2017
Gonorrhea
42.2
per 100K in 2023
5.8 in 2000
Peak 52.3 in 2022
Syphilis (P&S)
2.7
per 100K in 2023
1.0 in 2000
Peak 4.5 in 2021

Source: CDC NCHHSTP AtlasPlus county surveillance, 2000–2023.

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Warren County vs New Jersey and the US

Infection Warren County New Jersey US vs New Jersey vs US Rank in New Jersey
Chlamydia 203.1226 cases 384.1 490.7 47.1% below 58.6% below 16th of 21
Gonorrhea 42.247 cases 109.1 178.2 61.3% below 76.3% below 16th of 21
Syphilis (P&S) 2.73 cases 8.1 15.8 Too few cases Too few cases –

Rates per 100,000 residents, 2023. Ranks run from the highest rate (1st) among New Jersey’s counties. The US rate is all 50 states combined. Comparisons are left out where fewer than 20 cases were reported, because a rate built on so few cases can swing widely from one year to the next.

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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.
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.