STD Rates in Plaquemines Parish, Louisiana

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

Data Year: 2023 Source: CDC STI Surveillance Population: 22,387
Combined
679
per 100K
54th / 64
Chlamydia
500.3
per 100K • 112 cases
US rate: 490.7
53rd of 64 in Louisiana
Higher than 78% of US counties
Gonorrhea
174.2
per 100K • 39 cases
US rate: 178.2
48th of 64 in Louisiana
Higher than 81% of US counties
Syphilis P&S
4.5
per 100K • 1 cases
Based on 1 case — interpret with care
US rate: 15.8

Plaquemines Parish is among the lower-burden counties in Louisiana, reporting a combined STD rate of 679.0 per 100,000 residents in 2023 — 54th of 64 counties. Reported infections included chlamydia at 500.3 per 100,000 (112 cases, 37% below the state rate), gonorrhea at 174.2 per 100,000 (39 cases, 40% below the state rate), syphilis at 4.5 per 100,000 (1 case, too few for a reliable comparison). Confidential STD testing is available throughout Plaquemines Parish — knowing your status is the only way to catch infections that often show no symptoms.

STD Trends in Plaquemines Parish, 2000–2023

Reported cases per 100,000 residents each year, against the Louisiana rate (dashed). In a county this size a handful of cases moves the rate a long way, so read the shape rather than any single year.

Chlamydia
500.3
per 100K in 2023
0.0 in 2000
Peak 538.9 in 2019
Gonorrhea
174.2
per 100K in 2023
0.0 in 2000
Peak 174.2 in 2023
Syphilis (P&S)
4.5
per 100K in 2023
0.0 in 2000
Peak 18.9 in 2008

Source: CDC NCHHSTP AtlasPlus county surveillance, 2000–2023.

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Plaquemines Parish vs Louisiana and the US

Infection Plaquemines Parish Louisiana US vs Louisiana vs US Rank in Louisiana
Chlamydia 500.3112 cases 792.4 490.7 36.9% below 2% above 53rd of 64
Gonorrhea 174.239 cases 288.4 178.2 39.6% below 2.2% below 48th of 64
Syphilis (P&S) 4.51 case 26.1 15.8 Too few cases Too few cases –

Rates per 100,000 residents, 2023. Ranks run from the highest rate (1st) among Louisiana’s parishes. The US rate is all 50 states combined. Comparisons are left out where fewer than 20 cases were reported, because a rate built on so few cases can swing widely from one year to the next.

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FAQs

Plaquemines Parish ranks 54th of 64 Louisiana counties for combined STD rate in 2023, at 679.0 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Plaquemines Parish, with 112 cases at a rate of 500.3 per 100,000 residents.
STDTest.com lists confidential testing locations across Plaquemines Parish and Louisiana. Many offer same-day appointments with results in 1–3 days.
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.