STD Rates in Horry County, South Carolina

2023 CDC surveillance data for Horry County, South Carolina — chlamydia, gonorrhea, and syphilis rates with state comparisons.

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Data Year: 2023 Source: CDC STI Surveillance Population: 397,493
Combined
662.4
per 100K
34th / 46
Chlamydia
494.6
per 100K • 1,966 cases
Gonorrhea
156.5
per 100K • 622 cases
Syphilis P&S
11.3
per 100K • 45 cases

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.

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Horry County vs South Carolina Average

Infection Horry County South Carolina Rate Difference
Chlamydia 494.6 612.1 19% below
Gonorrhea 156.5 222.4 30% below
Syphilis (P&S) 11.3 17.3 35% below

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Largest cities in Horry County, South Carolina

Largest first, by Census population. Each city page lists nearby clinics, free and low-cost testing, and labs.

STD testing in Myrtle Beach, SC38,371 people → STD testing in Conway, SC27,263 people → STD testing in Socastee, SC23,796 people → STD testing in North Myrtle Beach, SC19,855 people → STD testing in Red Hill, SC15,920 people → STD testing in Little River, SC11,771 people → STD testing in Garden City, SC11,591 people →

Largest Counties in South Carolina

Greenville County → Richland County → Charleston County → Spartanburg County → Lexington County → York County → Berkeley County → Anderson County → Beaufort County → Aiken County →

All 46 South Carolina counties → STD testing in South Carolina →

FAQs

Horry County ranks 34th of 46 South Carolina counties for combined STD rate in 2023, at 662.4 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Horry County, with 1,966 cases at a rate of 494.6 per 100,000 residents.
STDTest.com lists confidential testing locations across Horry County and South Carolina. Many offer same-day appointments with results in 1–3 days.

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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.
Sources