STD Rates in Essex County, Massachusetts

2023 CDC surveillance data for Essex County, Massachusetts — chlamydia, gonorrhea, and syphilis rates with state comparisons.

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Data Year: 2023 Source: CDC STI Surveillance Population: 810,024
Combined
538.4
per 100K
4th / 14
Chlamydia
419
per 100K • 3,394 cases
Gonorrhea
109.5
per 100K • 887 cases
Syphilis P&S
9.9
per 100K • 80 cases

Essex County reported a combined STD rate of 538.4 per 100,000 residents in 2023, placing it 4th of 14 Massachusetts counties — in the upper half of the state. Reported infections included chlamydia at 419.0 per 100,000 (3,394 cases, 2% above the state rate), gonorrhea at 109.5 per 100,000 (887 cases, 22% below the state rate), syphilis at 9.9 per 100,000 (80 cases, 7% below the state rate). Many STDs show no symptoms, so testing is the only reliable way to know your status. Confidential options are available across Essex County.

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Essex County vs Massachusetts Average

Infection Essex County Massachusetts Rate Difference
Chlamydia 419 412.7 2% above
Gonorrhea 109.5 139.8 22% below
Syphilis (P&S) 9.9 10.6 7% below

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Largest cities in Essex County, Massachusetts

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

STD testing in Lynn, MA101,709 people → STD testing in Lawrence, MA88,736 people → STD testing in Haverhill, MA67,698 people → STD testing in Peabody, MA54,695 people → STD testing in Methuen, MA53,475 people → STD testing in Salem, MA44,795 people → STD testing in Beverly, MA42,665 people → STD testing in Gloucester, MA30,075 people → STD testing in Saugus, MA28,773 people → STD testing in Danvers, MA28,098 people →
Show all 16 cities ↓Show fewer cities ↑
STD testing in Marblehead, MA20,413 people → STD testing in Newburyport, MA18,652 people → STD testing in Amesbury, MA17,403 people → STD testing in Swampscott, MA15,277 people → STD testing in Lynnfield, MA13,064 people → STD testing in Middleton, MA →

Largest Counties in Massachusetts

Middlesex County → Worcester County → Suffolk County → Norfolk County → Bristol County → Plymouth County → Hampden County → Barnstable County → Hampshire County → Berkshire County →

All 14 Massachusetts counties → STD testing in Massachusetts →

FAQs

Essex County ranks 4th of 14 Massachusetts counties for combined STD rate in 2023, at 538.4 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Essex County, with 3,394 cases at a rate of 419.0 per 100,000 residents.
STDTest.com lists confidential testing locations across Essex County and Massachusetts. 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