STD Rates in Knox County, Tennessee

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

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Data Year: 2023 Source: CDC STI Surveillance Population: 500,657
Combined
657.6
per 100K
15th / 95
Chlamydia
456.6
per 100K • 2,286 cases
Gonorrhea
183.2
per 100K • 917 cases
Syphilis P&S
17.8
per 100K • 89 cases

Knox County has one of the higher STD burdens in Tennessee, with a combined rate of 657.6 per 100,000 residents in 2023 — ranking 15th of 95 counties. Reported infections included chlamydia at 456.6 per 100,000 (2,286 cases, 12% below the state rate), gonorrhea at 183.2 per 100,000 (917 cases, 2% below the state rate), syphilis at 17.8 per 100,000 (89 cases, 20% above the state rate). Confidential STD testing is available throughout Knox County — knowing your status is the only way to catch infections that often show no symptoms.

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Knox County vs Tennessee Average

Infection Knox County Tennessee Rate Difference
Chlamydia 456.6 517.4 12% below
Gonorrhea 183.2 186.4 2% below
Syphilis (P&S) 17.8 14.8 20% above

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Largest cities in Knox County, Tennessee

Largest first, by Census population. Each city page lists nearby clinics, free and low-cost testing, and labs.

STD testing in Knoxville, TN195,185 people → STD testing in Farragut, TN24,634 people → STD testing in Powell, TN13,739 people → STD testing in Karns, TN4,115 people → STD testing in Concord, TN → STD testing in Hardin Valley, TN →

Largest Counties in Tennessee

Shelby County → Davidson County → Hamilton County → Rutherford County → Williamson County → Montgomery County → Sumner County → Wilson County → Sullivan County → Blount County →

All 95 Tennessee counties → STD testing in Tennessee →

FAQs

Knox County ranks 15th of 95 Tennessee counties for combined STD rate in 2023, at 657.6 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Knox County, with 2,286 cases at a rate of 456.6 per 100,000 residents.
STDTest.com lists confidential testing locations across Knox County and Tennessee. Many offer same-day appointments with results in 1–3 days.

Related Resources

STD Testing Window Periods How Soon After Sex to Test STD Symptoms Guide Testing Timeline Chart All Testing Clinics STD Statistics and Data
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