Data Year: 2023Source: CDC STI SurveillancePopulation: 576,743
Combined
755.3
per 100K
3rd / 67
Chlamydia
556.4
per 100K • 3,209 cases
Gonorrhea
188
per 100K • 1,084 cases
Syphilis P&S
10.9
per 100K • 63 cases
Delaware County has one of the higher STD burdens in Pennsylvania, with a combined rate of 755.3 per 100,000 residents in 2023 — ranking 3rd of 67 counties. Reported infections included chlamydia at 556.4 per 100,000 (3,209 cases, 32% above the state rate), gonorrhea at 188.0 per 100,000 (1,084 cases, 30% above the state rate), syphilis at 10.9 per 100,000 (63 cases, 20% above the state rate). Confidential STD testing is available throughout Delaware County — knowing your status is the only way to catch infections that often show no symptoms.
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Delaware County ranks 3rd of 67 Pennsylvania counties for combined STD rate in 2023, at 755.3 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Delaware County, with 3,209 cases at a rate of 556.4 per 100,000 residents.
STDTest.com lists confidential testing locations across Delaware 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.
