STD Rates in Orleans Parish, Louisiana

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

Data Year: 2023 Source: CDC STI Surveillance Population: 364,124
Combined
1926.2
per 100K
2nd / 64
Chlamydia
1249.3
per 100K • 4,549 cases
US rate: 490.7
4th of 64 in Louisiana
Higher than 98% of US counties
Gonorrhea
631.6
per 100K • 2,300 cases
US rate: 178.2
1st of 64 in Louisiana
Higher than 99% of US counties
Syphilis P&S
45.3
per 100K • 165 cases
US rate: 15.8
7th of 64 in Louisiana
Higher than 95% of US counties

Orleans Parish has one of the higher STD burdens in Louisiana, with a combined rate of 1,926.2 per 100,000 residents in 2023 — ranking 2nd of 64 counties. Reported infections included chlamydia at 1249.3 per 100,000 (4,549 cases, 58% above the state rate), gonorrhea at 631.6 per 100,000 (2,300 cases, 119% above the state rate), syphilis at 45.3 per 100,000 (165 cases, 74% above the state rate). Routine testing is the surest way to catch STDs early, since many produce no symptoms. Orleans Parish has confidential testing locations available.

STD Trends in Orleans 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
1,249.3
per 100K in 2023
0.0 in 2000
Peak 1,655.0 in 2011
Gonorrhea
631.6
per 100K in 2023
0.0 in 2000
Peak 635.4 in 2020
Syphilis (P&S)
45.3
per 100K in 2023
4.5 in 2000
Peak 51.9 in 2022

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

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Orleans Parish vs Louisiana and the US

Infection Orleans Parish Louisiana US vs Louisiana vs US Rank in Louisiana
Chlamydia 1249.34,549 cases 792.4 490.7 57.7% above 154.6% above 4th of 64
Gonorrhea 631.62,300 cases 288.4 178.2 119% above 254.4% above 1st of 64
Syphilis (P&S) 45.3165 cases 26.1 15.8 73.6% above 186.7% above 7th of 64

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

Orleans Parish ranks 2nd of 64 Louisiana counties for combined STD rate in 2023, at 1,926.2 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Orleans Parish, with 4,549 cases at a rate of 1249.3 per 100,000 residents.
STDTest.com lists confidential testing locations across Orleans 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.