STD Rates in St. John The Baptist Parish, Louisiana

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

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Data Year: 2023 Source: CDC STI Surveillance Population: 39,594
Combined
1538.1
per 100K
8th / 64
Chlamydia
1141.6
per 100K • 452 cases
Gonorrhea
383.9
per 100K • 152 cases
Syphilis P&S
12.6
per 100K • 5 cases

St. John The Baptist Parish has one of the higher STD burdens in Louisiana, with a combined rate of 1,538.1 per 100,000 residents in 2023 — ranking 8th of 64 counties. Reported infections included chlamydia at 1141.6 per 100,000 (452 cases, 44% above the state rate), gonorrhea at 383.9 per 100,000 (152 cases, 33% above the state rate), syphilis at 12.6 per 100,000 (5 cases, 52% below the state rate). Routine testing is the surest way to catch STDs early, since many produce no symptoms. St. John The Baptist Parish has confidential testing locations available.

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St. John The Baptist Parish vs Louisiana Average

Infection St. John The Baptist Parish Louisiana Rate Difference
Chlamydia 1141.6 792.4 44% above
Gonorrhea 383.9 288.4 33% above
Syphilis (P&S) 12.6 26.1 52% below

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Largest cities in St. John The Baptist Parish, Louisiana

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

STD testing in Laplace, LA28,343 people → STD testing in Reserve, LA7,791 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. John The Baptist Parish ranks 8th of 64 Louisiana counties for combined STD rate in 2023, at 1,538.1 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in St. John The Baptist Parish, with 452 cases at a rate of 1141.6 per 100,000 residents.
STDTest.com lists confidential testing locations across St. John The Baptist 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