STD Rates in Jefferson County, Mississippi

2023 CDC surveillance data for Jefferson County, Mississippi — chlamydia, gonorrhea, and syphilis rates with state comparisons.

Data Year: 2023 Source: CDC STI Surveillance Population: 6,941
Combined
1440.7
per 100K
15th / 80
Chlamydia
1037.3
per 100K • 72 cases
US rate: 490.7
14th of 80 in Mississippi
Higher than 96% of US counties
Gonorrhea
389
per 100K • 27 cases
US rate: 178.2
14th of 80 in Mississippi
Higher than 95% of US counties
Syphilis P&S
14.4
per 100K • 1 cases
Based on 1 case — interpret with care
US rate: 15.8

Jefferson County has one of the higher STD burdens in Mississippi, with a combined rate of 1,440.7 per 100,000 residents in 2023 — ranking 15th of 80 counties. Reported infections included chlamydia at 1037.3 per 100,000 (72 cases, 48% above the state rate), gonorrhea at 389.0 per 100,000 (27 cases, 55% above the state rate), syphilis at 14.4 per 100,000 (1 case, too few for a reliable comparison). Confidential STD testing is available throughout Jefferson County — knowing your status is the only way to catch infections that often show no symptoms.

STD Trends in Jefferson County, 2000–2023

Reported cases per 100,000 residents each year, against the Mississippi 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
1,037.3
per 100K in 2023
495.6 in 2000
Peak 2,389.1 in 2019
Gonorrhea
389.0
per 100K in 2023
196.2 in 2000
Peak 643.8 in 2019
Syphilis (P&S)
14.4
per 100K in 2023
0.0 in 2000
Peak 42.3 in 2022

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

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Jefferson County vs Mississippi and the US

Infection Jefferson County Mississippi US vs Mississippi vs US Rank in Mississippi
Chlamydia 1037.372 cases 700.9 490.7 48% above 111.4% above 14th of 80
Gonorrhea 38927 cases 251.1 178.2 54.9% above 118.3% above 14th of 80
Syphilis (P&S) 14.41 case 30.1 15.8 Too few cases Too few cases –

Rates per 100,000 residents, 2023. Ranks run from the highest rate (1st) among Mississippi’s counties. 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

Jefferson County ranks 15th of 80 Mississippi counties for combined STD rate in 2023, at 1,440.7 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Jefferson County, with 72 cases at a rate of 1037.3 per 100,000 residents.
STDTest.com lists confidential testing locations across Jefferson County and Mississippi. 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.