STD Rates in Knox County, Indiana

2023 CDC surveillance data for Knox County, Indiana — chlamydia, gonorrhea, and syphilis rates with state comparisons.

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Data Year: 2023 Source: CDC STI Surveillance Population: 36,074
Combined
401.9
per 100K
26th / 92
Chlamydia
307.7
per 100K • 111 cases
Gonorrhea
88.7
per 100K • 32 cases
Syphilis P&S
5.5
per 100K • 2 cases

Knox County reported a combined STD rate of 401.9 per 100,000 residents in 2023, placing it 26th of 92 Indiana counties — in the upper half of the state. Reported infections included chlamydia at 307.7 per 100,000 (111 cases, 37% below the state rate), gonorrhea at 88.7 per 100,000 (32 cases, 38% below the state rate), syphilis at 5.5 per 100,000 (2 cases, 37% below the state rate). Routine testing is the surest way to catch STDs early, since many produce no symptoms. Knox County has confidential testing locations available.

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Knox County vs Indiana Average

Infection Knox County Indiana Rate Difference
Chlamydia 307.7 491 37% below
Gonorrhea 88.7 144 38% below
Syphilis (P&S) 5.5 8.7 37% below

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STD testing in Knox County, Indiana

Clinics, free and low-cost testing, and labs near Vincennes.

STD testing in Vincennes, IN16,586 people →

Largest Counties in Indiana

Marion County → Lake County → Allen County → Hamilton County → St. Joseph County → Elkhart County → Tippecanoe County → Hendricks County → Vanderburgh County → Porter County →

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FAQs

Knox County ranks 26th of 92 Indiana counties for combined STD rate in 2023, at 401.9 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Knox County, with 111 cases at a rate of 307.7 per 100,000 residents.
STDTest.com lists confidential testing locations across Knox County and Indiana. Many offer same-day appointments with results in 1–3 days.

Related Resources

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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.
Sources