STD Rates in Marengo County, Alabama

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

Data Year: 2023 Source: CDC STI Surveillance Population: 18,685
Combined
1027.6
per 100K
21st / 67
Chlamydia
669
per 100K • 125 cases
US rate: 490.7
26th of 67 in Alabama
Higher than 88% of US counties
Gonorrhea
294.4
per 100K • 55 cases
US rate: 178.2
12th of 67 in Alabama
Higher than 92% of US counties
Syphilis P&S
64.2
per 100K • 12 cases
Based on 12 cases — interpret with care
US rate: 15.8

Marengo County reported a combined STD rate of 1,027.6 per 100,000 residents in 2023, placing it 21st of 67 Alabama counties — in the upper half of the state. Reported infections included chlamydia at 669.0 per 100,000 (125 cases, 3% above the state rate), gonorrhea at 294.4 per 100,000 (55 cases, 30% above the state rate), syphilis at 64.2 per 100,000 (12 cases, too few for a reliable comparison). Confidential STD testing is available throughout Marengo County — knowing your status is the only way to catch infections that often show no symptoms.

STD Trends in Marengo County, 2000–2023

Reported cases per 100,000 residents each year, against the Alabama 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
669.0
per 100K in 2023
466.2 in 2000
Peak 1,085.6 in 2009
Gonorrhea
294.4
per 100K in 2023
164.3 in 2000
Peak 336.1 in 2022
Syphilis (P&S)
64.2
per 100K in 2023
0.0 in 2000
Peak 64.2 in 2023

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

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Marengo County vs Alabama and the US

Infection Marengo County Alabama US vs Alabama vs US Rank in Alabama
Chlamydia 669125 cases 651.1 490.7 2.7% above 36.3% above 26th of 67
Gonorrhea 294.455 cases 226.9 178.2 29.7% above 65.2% above 12th of 67
Syphilis (P&S) 64.212 cases 28.6 15.8 Too few cases Too few cases –

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

Marengo County ranks 21st of 67 Alabama counties for combined STD rate in 2023, at 1,027.6 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Marengo County, with 125 cases at a rate of 669.0 per 100,000 residents.
STDTest.com lists confidential testing locations across Marengo County and Alabama. 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.