STD Rates in St. Mary Parish, Louisiana

2023 CDC surveillance data for St. Mary Parish, Louisiana — chlamydia, gonorrhea, and syphilis rates with state comparisons.

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Data Year: 2023 Source: CDC STI Surveillance Population: 47,055
Combined
837.4
per 100K
44th / 64
Chlamydia
650.3
per 100K • 306 cases
Gonorrhea
174.3
per 100K • 82 cases
Syphilis P&S
12.8
per 100K • 6 cases

St. Mary Parish recorded a combined STD rate of 837.4 per 100,000 residents in 2023, ranking 44th of 64 counties in Louisiana. Reported infections included chlamydia at 650.3 per 100,000 (306 cases, 18% below the state rate), gonorrhea at 174.3 per 100,000 (82 cases, 40% below the state rate), syphilis at 12.8 per 100,000 (6 cases, 51% below the state rate). Routine testing is the surest way to catch STDs early, since many produce no symptoms. St. Mary Parish has confidential testing locations available.

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St. Mary Parish vs Louisiana Average

Infection St. Mary Parish Louisiana Rate Difference
Chlamydia 650.3 792.4 18% below
Gonorrhea 174.3 288.4 40% below
Syphilis (P&S) 12.8 26.1 51% below

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STD testing in St. Mary Parish, Louisiana

Clinics, free and low-cost testing, and labs near Morgan City.

STD testing in Morgan City, LA11,064 people →

Largest Parishes in Louisiana

East Baton Rouge Parish → Jefferson Parish → Orleans Parish → St. Tammany Parish → Lafayette Parish → Caddo Parish → Calcasieu Parish → Ouachita Parish → Livingston Parish → Tangipahoa Parish →

All 64 Louisiana parishes → STD testing in Louisiana →

FAQs

St. Mary Parish ranks 44th of 64 Louisiana counties for combined STD rate in 2023, at 837.4 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in St. Mary Parish, with 306 cases at a rate of 650.3 per 100,000 residents.
STDTest.com lists confidential testing locations across St. Mary Parish and Louisiana. 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