Data Year: 2023Source: CDC STI SurveillancePopulation: 1,224,901
Combined
642.7
per 100K
5th / 67
Chlamydia
431.3
per 100K • 5,283 cases
Gonorrhea
200.4
per 100K • 2,455 cases
Syphilis P&S
11
per 100K • 135 cases
Allegheny County has one of the higher STD burdens in Pennsylvania, with a combined rate of 642.7 per 100,000 residents in 2023 — ranking 5th of 67 counties. Reported infections included chlamydia at 431.3 per 100,000 (5,283 cases, 2% above the state rate), gonorrhea at 200.4 per 100,000 (2,455 cases, 38% above the state rate), syphilis at 11.0 per 100,000 (135 cases, 21% above the state rate). Routine testing is the surest way to catch STDs early, since many produce no symptoms. Allegheny County has confidential testing locations available.
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Allegheny County ranks 5th of 67 Pennsylvania counties for combined STD rate in 2023, at 642.7 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Allegheny County, with 5,283 cases at a rate of 431.3 per 100,000 residents.
STDTest.com lists confidential testing locations across Allegheny County and Pennsylvania. Many offer same-day appointments with results in 1u20133 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.
