STD Rates in Dallas County, Alabama

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

Data Year: 2023 Source: CDC STI Surveillance Population: 36,164
Combined
1399.1
per 100K
8th / 67
Chlamydia
1001
per 100K • 362 cases
US rate: 490.7
9th of 67 in Alabama
Higher than 96% of US counties
Gonorrhea
337.3
per 100K • 122 cases
US rate: 178.2
9th of 67 in Alabama
Higher than 94% of US counties
Syphilis P&S
60.8
per 100K • 22 cases
US rate: 15.8
8th of 67 in Alabama
Higher than 97% of US counties

Dallas County has one of the higher STD burdens in Alabama, with a combined rate of 1,399.1 per 100,000 residents in 2023 — ranking 8th of 67 counties. Reported infections included chlamydia at 1001.0 per 100,000 (362 cases, 54% above the state rate), gonorrhea at 337.3 per 100,000 (122 cases, 49% above the state rate), syphilis at 60.8 per 100,000 (22 cases, 113% above the state rate). Routine testing is the surest way to catch STDs early, since many produce no symptoms. Dallas County has confidential testing locations available.

STD Trends in Dallas 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
1,001.0
per 100K in 2023
1,031.7 in 2000
Peak 1,551.0 in 2009
Gonorrhea
337.3
per 100K in 2023
561.4 in 2000
Peak 561.4 in 2000
Syphilis (P&S)
60.8
per 100K in 2023
0.0 in 2000
Peak 61.0 in 2008

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

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Dallas County vs Alabama and the US

Infection Dallas County Alabama US vs Alabama vs US Rank in Alabama
Chlamydia 1001362 cases 651.1 490.7 53.7% above 104% above 9th of 67
Gonorrhea 337.3122 cases 226.9 178.2 48.7% above 89.3% above 9th of 67
Syphilis (P&S) 60.822 cases 28.6 15.8 112.6% above 284.8% above 8th of 67

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

Dallas County ranks 8th of 67 Alabama counties for combined STD rate in 2023, at 1,399.1 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Dallas County, with 362 cases at a rate of 1001.0 per 100,000 residents.
STDTest.com lists confidential testing locations across Dallas 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.