STD Rates in Horry County, South Carolina
2023 CDC surveillance data for Horry County, South Carolina — chlamydia, gonorrhea, and syphilis rates with state comparisons.
Horry County recorded a combined STD rate of 662.4 per 100,000 residents in 2023, ranking 34th of 46 counties in South Carolina. Reported infections included chlamydia at 494.6 per 100,000 (1,966 cases, 19% below the state rate), gonorrhea at 156.5 per 100,000 (622 cases, 30% below the state rate), syphilis at 11.3 per 100,000 (45 cases, 35% below the state rate). Many STDs show no symptoms, so testing is the only reliable way to know your status. Confidential options are available across Horry County.
STD Trends in Horry 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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Horry County vs South Carolina and the US
| Infection | Horry County | South Carolina | US | vs South Carolina | vs US | Rank in South Carolina |
|---|---|---|---|---|---|---|
| Chlamydia | 494.61,966 cases | 612.1 | 490.7 | 19.2% below | 0.8% above | 33rd of 46 |
| Gonorrhea | 156.5622 cases | 222.4 | 178.2 | 29.6% below | 12.2% below | 36th of 46 |
| Syphilis (P&S) | 11.345 cases | 17.3 | 15.8 | 34.7% below | 28.5% below | 32nd of 46 |
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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