Data Year: 2023Source: CDC STI SurveillancePopulation: 33,728
Combined
148.3
per 100K
36th / 39
Chlamydia
109.7
per 100K • 37 cases
Gonorrhea
29.7
per 100K • 10 cases
Syphilis P&S
8.9
per 100K • 3 cases
Jefferson County is among the lower-burden counties in Washington, reporting a combined STD rate of 148.3 per 100,000 residents in 2023 — 36th of 39 counties. Reported infections included chlamydia at 109.7 per 100,000 (37 cases, 69% below the state rate), gonorrhea at 29.7 per 100,000 (10 cases, 77% below the state rate), syphilis at 8.9 per 100,000 (3 cases, 58% below the state rate). Confidential STD testing is available throughout Jefferson County — knowing your status is the only way to catch infections that often show no symptoms.
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Jefferson County ranks 36th of 39 Washington counties for combined STD rate in 2023, at 148.3 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Jefferson County, with 37 cases at a rate of 109.7 per 100,000 residents.
STDTest.com lists confidential testing locations across Jefferson County and Washington. 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.