Data Year: 2023Source: CDC STI SurveillancePopulation: 23,535
Combined
297.4
per 100K
59th / 115
Chlamydia
208.2
per 100K • 49 cases
Gonorrhea
55.2
per 100K • 13 cases
Syphilis P&S
34
per 100K • 8 cases
Washington County recorded a combined STD rate of 297.4 per 100,000 residents in 2023, ranking 59th of 115 counties in Missouri. Reported infections included chlamydia at 208.2 per 100,000 (49 cases, 58% below the state rate), gonorrhea at 55.2 per 100,000 (13 cases, 73% below the state rate), syphilis at 34.0 per 100,000 (8 cases, 58% above the state rate). Routine testing is the surest way to catch STDs early, since many produce no symptoms. Washington County has confidential testing locations available.
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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.