STD Rates in St. Mary's County, Maryland

2023 CDC surveillance data for St. Mary's County, Maryland — chlamydia, gonorrhea, and syphilis rates with state comparisons.

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Data Year: 2023 Source: CDC STI Surveillance Population: 115,278
Combined
334.9
per 100K
19th / 24
Chlamydia
253.3
per 100K • 292 cases
Gonorrhea
80.7
per 100K • 93 cases
Syphilis P&S
0.9
per 100K • 1 cases

St. Mary's County is among the lower-burden counties in Maryland, reporting a combined STD rate of 334.9 per 100,000 residents in 2023 — 19th of 24 counties. Reported infections included chlamydia at 253.3 per 100,000 (292 cases, 56% below the state rate), gonorrhea at 80.7 per 100,000 (93 cases, 61% below the state rate), syphilis at 0.9 per 100,000 (1 case, 94% 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 St. Mary's County.

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St. Mary's County County vs Maryland Average

Infection St. Mary's County County Maryland Rate Difference
Chlamydia 253.3 579.8 56% below
Gonorrhea 80.7 207.1 61% below
Syphilis (P&S) 0.9 14.2 94% below

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Other Counties in Maryland

STD Testing Locations in St. Mary's County, Maryland

FAQs

St. Mary's County ranks 19th of 24 Maryland counties for combined STD rate in 2023, at 334.9 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in St. Mary's County, with 292 cases at a rate of 253.3 per 100,000 residents.
STDTest.com lists confidential testing locations across St. Mary's County and Maryland. Many offer same-day appointments with results in 1u20133 days.

Related Resources

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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