STD Rates in Hamilton County, Tennessee

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

Data Year: 2023 Source: CDC STI Surveillance Population: 379,846
Combined
805
per 100K
10th / 95
Chlamydia
572.6
per 100K • 2,175 cases
US rate: 490.7
11th of 95 in Tennessee
Higher than 84% of US counties
Gonorrhea
192.4
per 100K • 731 cases
US rate: 178.2
10th of 95 in Tennessee
Higher than 83% of US counties
Syphilis P&S
40
per 100K • 152 cases
US rate: 15.8
2nd of 95 in Tennessee
Higher than 94% of US counties

Hamilton County has one of the higher STD burdens in Tennessee, with a combined rate of 805.0 per 100,000 residents in 2023 — ranking 10th of 95 counties. Reported infections included chlamydia at 572.6 per 100,000 (2,175 cases, 11% above the state rate), gonorrhea at 192.4 per 100,000 (731 cases, 3% above the state rate), syphilis at 40.0 per 100,000 (152 cases, 170% above the state rate). Many STDs show no symptoms, so testing is the only reliable way to know your status. Confidential options are available across Hamilton County.

STD Trends in Hamilton County, 2000–2023

Reported cases per 100,000 residents each year, against the Tennessee 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
572.6
per 100K in 2023
0.0 in 2000
Peak 675.9 in 2019
Gonorrhea
192.4
per 100K in 2023
0.0 in 2000
Peak 314.0 in 2021
Syphilis (P&S)
40.0
per 100K in 2023
2.3 in 2000
Peak 40.0 in 2023

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

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Hamilton County vs Tennessee and the US

Infection Hamilton County Tennessee US vs Tennessee vs US Rank in Tennessee
Chlamydia 572.62,175 cases 517.4 490.7 10.7% above 16.7% above 11th of 95
Gonorrhea 192.4731 cases 186.4 178.2 3.2% above 8% above 10th of 95
Syphilis (P&S) 40152 cases 14.8 15.8 170.3% above 153.2% above 2nd of 95

Rates per 100,000 residents, 2023. Ranks run from the highest rate (1st) among Tennessee’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

Hamilton County ranks 10th of 95 Tennessee counties for combined STD rate in 2023, at 805.0 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Hamilton County, with 2,175 cases at a rate of 572.6 per 100,000 residents.
STDTest.com lists confidential testing locations across Hamilton County and Tennessee. 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.