Data Year: 2023Source: CDC STI SurveillancePopulation: 106,412
Combined
282
per 100K
64th / 115
Chlamydia
219.9
per 100K • 234 cases
Gonorrhea
41.4
per 100K • 44 cases
Syphilis P&S
20.7
per 100K • 22 cases
Franklin County recorded a combined STD rate of 282.0 per 100,000 residents in 2023, ranking 64th of 115 counties in Missouri. Reported infections included chlamydia at 219.9 per 100,000 (234 cases, 56% below the state rate), gonorrhea at 41.4 per 100,000 (44 cases, 79% below the state rate), syphilis at 20.7 per 100,000 (22 cases, 4% below the state rate). Many STDs show no symptoms, so testing is the only reliable way to know your status. Confidential options are available across Franklin County.
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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.