STD Rates in Washington County, Mississippi

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

Data Year: 2023 Source: CDC STI Surveillance Population: 41,947
Combined
1037
per 100K
32nd / 80
Chlamydia
684.2
per 100K • 287 cases
US rate: 490.7
38th of 80 in Mississippi
Higher than 89% of US counties
Gonorrhea
324.2
per 100K • 136 cases
US rate: 178.2
20th of 80 in Mississippi
Higher than 93% of US counties
Syphilis P&S
28.6
per 100K • 12 cases
Based on 12 cases — interpret with care
US rate: 15.8

Washington County reported a combined STD rate of 1,037.0 per 100,000 residents in 2023, placing it 32nd of 80 Mississippi counties — in the upper half of the state. Reported infections included chlamydia at 684.2 per 100,000 (287 cases, 2% below the state rate), gonorrhea at 324.2 per 100,000 (136 cases, 29% above the state rate), syphilis at 28.6 per 100,000 (12 cases, too few for a reliable comparison). Routine testing is the surest way to catch STDs early, since many produce no symptoms. Washington County has confidential testing locations available.

STD Trends in Washington 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
684.2
per 100K in 2023
1,140.9 in 2000
Peak 1,674.7 in 2009
Gonorrhea
324.2
per 100K in 2023
648.6 in 2000
Peak 934.3 in 2009
Syphilis (P&S)
28.6
per 100K in 2023
12.7 in 2000
Peak 66.8 in 2020

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

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Washington County vs Mississippi and the US

Infection Washington County Mississippi US vs Mississippi vs US Rank in Mississippi
Chlamydia 684.2287 cases 700.9 490.7 2.4% below 39.4% above 38th of 80
Gonorrhea 324.2136 cases 251.1 178.2 29.1% above 81.9% above 20th of 80
Syphilis (P&S) 28.612 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

Washington County ranks 32nd of 80 Mississippi counties for combined STD rate in 2023, at 1,037.0 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Washington County, with 287 cases at a rate of 684.2 per 100,000 residents.
STDTest.com lists confidential testing locations across Washington 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.