STD Rates in St. Charles Parish, Louisiana

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

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Data Year: 2023 Source: CDC STI Surveillance Population: 50,620
Combined
813.9
per 100K
46th / 64
Chlamydia
669.7
per 100K • 339 cases
Gonorrhea
136.3
per 100K • 69 cases
Syphilis P&S
7.9
per 100K • 4 cases

St. Charles Parish recorded a combined STD rate of 813.9 per 100,000 residents in 2023, ranking 46th of 64 counties in Louisiana. Reported infections included chlamydia at 669.7 per 100,000 (339 cases, 15% below the state rate), gonorrhea at 136.3 per 100,000 (69 cases, 53% below the state rate), syphilis at 7.9 per 100,000 (4 cases, 70% 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 St. Charles Parish.

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St. Charles Parish vs Louisiana Average

Infection St. Charles Parish Louisiana Rate Difference
Chlamydia 669.7 792.4 15% below
Gonorrhea 136.3 288.4 53% below
Syphilis (P&S) 7.9 26.1 70% below

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Largest cities in St. Charles Parish, Louisiana

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

STD testing in Luling, LA13,960 people → STD testing in Destrehan, LA11,619 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. Charles Parish ranks 46th of 64 Louisiana counties for combined STD rate in 2023, at 813.9 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in St. Charles Parish, with 339 cases at a rate of 669.7 per 100,000 residents.
STDTest.com lists confidential testing locations across St. Charles Parish and Louisiana. Many offer same-day appointments with results in 1–3 days.

Related Resources

STD Testing Window Periods How Soon After Sex to Test STD Symptoms Guide Testing Timeline Chart All Testing Clinics STD Statistics and Data
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