STD Rates in Simpson County, Mississippi

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

Data Year: 2023 Source: CDC STI Surveillance Population: 25,714
Combined
645.6
per 100K
64th / 80
Chlamydia
455
per 100K • 117 cases
US rate: 490.7
65th of 80 in Mississippi
Higher than 74% of US counties
Gonorrhea
178.9
per 100K • 46 cases
US rate: 178.2
55th of 80 in Mississippi
Higher than 81% of US counties
Syphilis P&S
11.7
per 100K • 3 cases
Based on 3 cases — interpret with care
US rate: 15.8

Simpson County is among the lower-burden counties in Mississippi, reporting a combined STD rate of 645.6 per 100,000 residents in 2023 — 64th of 80 counties. Reported infections included chlamydia at 455.0 per 100,000 (117 cases, 35% below the state rate), gonorrhea at 178.9 per 100,000 (46 cases, 29% below the state rate), syphilis at 11.7 per 100,000 (3 cases, too few for a reliable comparison). Many STDs show no symptoms, so testing is the only reliable way to know your status. Confidential options are available across Simpson County.

STD Trends in Simpson 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
455.0
per 100K in 2023
202.4 in 2000
Peak 708.4 in 2010
Gonorrhea
178.9
per 100K in 2023
115.6 in 2000
Peak 300.6 in 2020
Syphilis (P&S)
11.7
per 100K in 2023
0.0 in 2000
Peak 23.3 in 2021

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

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Simpson County vs Mississippi and the US

Infection Simpson County Mississippi US vs Mississippi vs US Rank in Mississippi
Chlamydia 455117 cases 700.9 490.7 35.1% below 7.3% below 65th of 80
Gonorrhea 178.946 cases 251.1 178.2 28.8% below 0.4% above 55th of 80
Syphilis (P&S) 11.73 cases 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

Simpson County ranks 64th of 80 Mississippi counties for combined STD rate in 2023, at 645.6 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Simpson County, with 117 cases at a rate of 455.0 per 100,000 residents.
STDTest.com lists confidential testing locations across Simpson 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.