STD Rates in Knox County, Tennessee
2023 CDC surveillance data for Knox County, Tennessee — chlamydia, gonorrhea, and syphilis rates with state comparisons.
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.
STD Trends in Knox 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.
Source: CDC NCHHSTP AtlasPlus county surveillance, 2000–2023.
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Knox County vs Tennessee and the US
| Infection | Knox County | Tennessee | US | vs Tennessee | vs US | Rank in Tennessee |
|---|---|---|---|---|---|---|
| Chlamydia | 456.62,286 cases | 517.4 | 490.7 | 11.8% below | 6.9% below | 18th of 95 |
| Gonorrhea | 183.2917 cases | 186.4 | 178.2 | 1.7% below | 2.8% above | 12th of 95 |
| Syphilis (P&S) | 17.889 cases | 14.8 | 15.8 | 20.3% above | 12.7% above | 11th 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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