STD Rates in Williamson County, Texas
2023 CDC surveillance data for Williamson County, Texas — chlamydia, gonorrhea, and syphilis rates with state comparisons.
Williamson County reported a combined STD rate of 438.8 per 100,000 residents in 2023, placing it 107th of 247 Texas counties — in the upper half of the state. Reported infections included chlamydia at 319.3 per 100,000 (2,226 cases, 35% below the state rate), gonorrhea at 111.9 per 100,000 (780 cases, 37% below the state rate), syphilis at 7.6 per 100,000 (53 cases, 49% below the state rate). Routine testing is the surest way to catch STDs early, since many produce no symptoms. Williamson County has confidential testing locations available.
STD Trends in Williamson County, 2000–2023
Reported cases per 100,000 residents each year, against the Texas 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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Williamson County vs Texas and the US
| Infection | Williamson County | Texas | US | vs Texas | vs US | Rank in Texas |
|---|---|---|---|---|---|---|
| Chlamydia | 319.32,226 cases | 491.9 | 490.7 | 35.1% below | 34.9% below | 115th of 247 |
| Gonorrhea | 111.9780 cases | 176.4 | 178.2 | 36.6% below | 37.2% below | 66th of 247 |
| Syphilis (P&S) | 7.653 cases | 15 | 15.8 | 49.3% below | 51.9% below | 109th of 247 |
Rates per 100,000 residents, 2023. Ranks run from the highest rate (1st) among Texas’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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