STD Rates in Mercer County, Pennsylvania

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

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Data Year: 2023 Source: CDC STI Surveillance Population: 108,489
Combined
453.5
per 100K
10th / 67
Chlamydia
326.3
per 100K • 354 cases
Gonorrhea
124.4
per 100K • 135 cases
Syphilis P&S
2.8
per 100K • 3 cases

Mercer County has one of the higher STD burdens in Pennsylvania, with a combined rate of 453.5 per 100,000 residents in 2023 — ranking 10th of 67 counties. Reported infections included chlamydia at 326.3 per 100,000 (354 cases, 23% below the state rate), gonorrhea at 124.4 per 100,000 (135 cases, 14% below the state rate), syphilis at 2.8 per 100,000 (3 cases, 69% 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 Mercer County.

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Mercer County County vs Pennsylvania Average

Infection Mercer County County Pennsylvania Rate Difference
Chlamydia 326.3 421.2 23% below
Gonorrhea 124.4 144.7 14% below
Syphilis (P&S) 2.8 9.1 69% below

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Other Counties in Pennsylvania

STD Testing Locations in Mercer County, Pennsylvania

FAQs

Mercer County ranks 10th of 67 Pennsylvania counties for combined STD rate in 2023, at 453.5 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Mercer County, with 354 cases at a rate of 326.3 per 100,000 residents.
STDTest.com lists confidential testing locations across Mercer County and Pennsylvania. 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.
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