Data Year: 2023Source: CDC STI SurveillancePopulation: 289,233
Combined
831.8
per 100K
2nd / 67
Chlamydia
580.5
per 100K • 1,679 cases
Gonorrhea
236.1
per 100K • 683 cases
Syphilis P&S
15.2
per 100K • 44 cases
Dauphin County has one of the higher STD burdens in Pennsylvania, with a combined rate of 831.8 per 100,000 residents in 2023 — ranking 2nd of 67 counties. Reported infections included chlamydia at 580.5 per 100,000 (1,679 cases, 38% above the state rate), gonorrhea at 236.1 per 100,000 (683 cases, 63% above the state rate), syphilis at 15.2 per 100,000 (44 cases, 67% above the state rate). Routine testing is the surest way to catch STDs early, since many produce no symptoms. Dauphin County has confidential testing locations available.
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Dauphin County ranks 2nd of 67 Pennsylvania counties for combined STD rate in 2023, at 831.8 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Dauphin County, with 1,679 cases at a rate of 580.5 per 100,000 residents.
STDTest.com lists confidential testing locations across Dauphin 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.