STD Rates in Charles County, Maryland

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

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Data Year: 2023 Source: CDC STI Surveillance Population: 171,987
Combined
758.7
per 100K
7th / 24
Chlamydia
557.6
per 100K • 959 cases
Gonorrhea
190.1
per 100K • 327 cases
Syphilis P&S
11
per 100K • 19 cases

Charles County reported a combined STD rate of 758.7 per 100,000 residents in 2023, placing it 7th of 24 Maryland counties — in the upper half of the state. Reported infections included chlamydia at 557.6 per 100,000 (959 cases, 4% below the state rate), gonorrhea at 190.1 per 100,000 (327 cases, 8% below the state rate), syphilis at 11.0 per 100,000 (19 cases, 23% 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 Charles County.

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Charles County vs Maryland Average

Infection Charles County Maryland Rate Difference
Chlamydia 557.6 579.8 4% below
Gonorrhea 190.1 207.1 8% below
Syphilis (P&S) 11 14.2 23% below

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Largest cities in Charles County, Maryland

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

STD testing in Waldorf, MD82,943 people → STD testing in La Plata, MD10,683 people → STD testing in White Plains, MD →

Largest Counties in Maryland

Montgomery County → Prince George's County → Baltimore County → Anne Arundel County → Baltimore City → Howard County → Frederick County → Harford County → Carroll County → Washington County →

All 24 Maryland counties → STD testing in Maryland →

FAQs

Charles County ranks 7th of 24 Maryland counties for combined STD rate in 2023, at 758.7 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Charles County, with 959 cases at a rate of 557.6 per 100,000 residents.
STDTest.com lists confidential testing locations across Charles County and Maryland. 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