STD Rates in Union County, Mississippi

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

Data Year: 2023 Source: CDC STI Surveillance Population: 28,284
Combined
526.8
per 100K
69th / 80
Chlamydia
378.3
per 100K • 107 cases
US rate: 490.7
68th of 80 in Mississippi
Higher than 66% of US counties
Gonorrhea
109.6
per 100K • 31 cases
US rate: 178.2
70th of 80 in Mississippi
Higher than 67% of US counties
Syphilis P&S
38.9
per 100K • 11 cases
Based on 11 cases — interpret with care
US rate: 15.8

Union County is among the lower-burden counties in Mississippi, reporting a combined STD rate of 526.8 per 100,000 residents in 2023 — 69th of 80 counties. Reported infections included chlamydia at 378.3 per 100,000 (107 cases, 46% below the state rate), gonorrhea at 109.6 per 100,000 (31 cases, 56% below the state rate), syphilis at 38.9 per 100,000 (11 cases, too few for a reliable comparison). Confidential STD testing is available throughout Union County — knowing your status is the only way to catch infections that often show no symptoms.

STD Trends in Union 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
378.3
per 100K in 2023
156.8 in 2000
Peak 579.6 in 2022
Gonorrhea
109.6
per 100K in 2023
207.7 in 2000
Peak 298.8 in 2020
Syphilis (P&S)
38.9
per 100K in 2023
3.9 in 2000
Peak 42.9 in 2021

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

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Union County vs Mississippi and the US

Infection Union County Mississippi US vs Mississippi vs US Rank in Mississippi
Chlamydia 378.3107 cases 700.9 490.7 46% below 22.9% below 68th of 80
Gonorrhea 109.631 cases 251.1 178.2 56.4% below 38.5% below 70th of 80
Syphilis (P&S) 38.911 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

Union County ranks 69th of 80 Mississippi counties for combined STD rate in 2023, at 526.8 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Union County, with 107 cases at a rate of 378.3 per 100,000 residents.
STDTest.com lists confidential testing locations across Union 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.