STD Rates in Knox County, Kentucky

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

Data Year: 2023 Source: CDC STI Surveillance Population: 29,797
Combined
463.2
per 100K
17th / 120
Chlamydia
389.3
per 100K • 116 cases
US rate: 490.7
14th of 120 in Kentucky
Higher than 67% of US counties
Gonorrhea
57.1
per 100K • 17 cases
Based on 17 cases — interpret with care
US rate: 178.2
Syphilis P&S
16.8
per 100K • 5 cases
Based on 5 cases — interpret with care
US rate: 15.8

Knox County has one of the higher STD burdens in Kentucky, with a combined rate of 463.2 per 100,000 residents in 2023 — ranking 17th of 120 counties. Reported infections included chlamydia at 389.3 per 100,000 (116 cases, 2% above the state rate), gonorrhea at 57.1 per 100,000 (17 cases, too few for a reliable comparison), syphilis at 16.8 per 100,000 (5 cases, too few for a reliable comparison). Routine testing is the surest way to catch STDs early, since many produce no symptoms. Knox County has confidential testing locations available.

STD Trends in Knox County, 2000–2023

Reported cases per 100,000 residents each year, against the Kentucky rate (dashed). In a county this size a handful of cases moves the rate a long way, so read the shape rather than any single year.

Chlamydia
389.3
per 100K in 2023
154.2 in 2000
Peak 547.0 in 2017
Gonorrhea
57.1
per 100K in 2023
9.4 in 2000
Peak 262.0 in 2018
Syphilis (P&S)
16.8
per 100K in 2023
0.0 in 2000
Peak 66.2 in 2020

Source: CDC NCHHSTP AtlasPlus county surveillance, 2000–2023.

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Knox County vs Kentucky and the US

Infection Knox County Kentucky US vs Kentucky vs US Rank in Kentucky
Chlamydia 389.3116 cases 381.9 490.7 1.9% above 20.7% below 14th of 120
Gonorrhea 57.117 cases 134.4 178.2 Too few cases Too few cases –
Syphilis (P&S) 16.85 cases 14.1 15.8 Too few cases Too few cases –

Rates per 100,000 residents, 2023. Ranks run from the highest rate (1st) among Kentucky’s counties. The US rate is all 50 states combined. Comparisons are left out where fewer than 20 cases were reported, because a rate built on so few cases can swing widely from one year to the next.

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FAQs

Knox County ranks 17th of 120 Kentucky counties for combined STD rate in 2023, at 463.2 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Knox County, with 116 cases at a rate of 389.3 per 100,000 residents.
STDTest.com lists confidential testing locations across Knox County and Kentucky. Many offer same-day appointments with results in 1–3 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.