STD Rates in Marion County, South Carolina

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

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Data Year: 2023 Source: CDC STI Surveillance Population: 28,508
Combined
1596.1
per 100K
4th / 46
Chlamydia
1164.6
per 100K • 332 cases
Gonorrhea
399.9
per 100K • 114 cases
Syphilis P&S
31.6
per 100K • 9 cases

Marion County has one of the higher STD burdens in South Carolina, with a combined rate of 1,596.1 per 100,000 residents in 2023 — ranking 4th of 46 counties. Reported infections included chlamydia at 1164.6 per 100,000 (332 cases, 90% above the state rate), gonorrhea at 399.9 per 100,000 (114 cases, 80% above the state rate), syphilis at 31.6 per 100,000 (9 cases, 83% above the state rate). Many STDs show no symptoms, so testing is the only reliable way to know your status. Confidential options are available across Marion County.

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Marion County vs South Carolina Average

Infection Marion County South Carolina Rate Difference
Chlamydia 1164.6 612.1 90% above
Gonorrhea 399.9 222.4 80% above
Syphilis (P&S) 31.6 17.3 83% above

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STD testing in Marion County, South Carolina

Clinics, free and low-cost testing, and labs near Mullins.

STD testing in Mullins, SC3,914 people →

Largest Counties in South Carolina

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

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FAQs

Marion County ranks 4th of 46 South Carolina counties for combined STD rate in 2023, at 1,596.1 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Marion County, with 332 cases at a rate of 1164.6 per 100,000 residents.
STDTest.com lists confidential testing locations across Marion County and South Carolina. Many offer same-day appointments with results in 1–3 days.

Related Resources

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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