STD Rates in Williamsburg County, South Carolina
2023 CDC surveillance data for Williamsburg County, South Carolina — chlamydia, gonorrhea, and syphilis rates with state comparisons.
Williamsburg County has one of the higher STD burdens in South Carolina, with a combined rate of 1,354.9 per 100,000 residents in 2023 — ranking 10th of 46 counties. Reported infections included chlamydia at 980.2 per 100,000 (293 cases, 60% above the state rate), gonorrhea at 364.7 per 100,000 (109 cases, 64% above the state rate), syphilis at 10.0 per 100,000 (3 cases, too few for a reliable comparison). Many STDs show no symptoms, so testing is the only reliable way to know your status. Confidential options are available across Williamsburg County.
STD Trends in Williamsburg County, 2000–2023
Reported cases per 100,000 residents each year, against the South Carolina 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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Williamsburg County vs South Carolina and the US
| Infection | Williamsburg County | South Carolina | US | vs South Carolina | vs US | Rank in South Carolina |
|---|---|---|---|---|---|---|
| Chlamydia | 980.2293 cases | 612.1 | 490.7 | 60.1% above | 99.8% above | 8th of 46 |
| Gonorrhea | 364.7109 cases | 222.4 | 178.2 | 64% above | 104.7% above | 10th of 46 |
| Syphilis (P&S) | 103 cases | 17.3 | 15.8 | Too few cases | Too few cases | – |
Rates per 100,000 residents, 2023. Ranks run from the highest rate (1st) among South Carolina’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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