STD Rates in Mobile County, Alabama

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

Data Year: 2023 Source: CDC STI Surveillance Population: 411,623
Combined
1071.3
per 100K
19th / 67
Chlamydia
746.8
per 100K • 3,074 cases
US rate: 490.7
19th of 67 in Alabama
Higher than 91% of US counties
Gonorrhea
269.4
per 100K • 1,109 cases
US rate: 178.2
17th of 67 in Alabama
Higher than 90% of US counties
Syphilis P&S
55.1
per 100K • 227 cases
US rate: 15.8
10th of 67 in Alabama
Higher than 96% of US counties

Mobile County reported a combined STD rate of 1,071.3 per 100,000 residents in 2023, placing it 19th of 67 Alabama counties — in the upper half of the state. Reported infections included chlamydia at 746.8 per 100,000 (3,074 cases, 15% above the state rate), gonorrhea at 269.4 per 100,000 (1,109 cases, 19% above the state rate), syphilis at 55.1 per 100,000 (227 cases, 93% above the state rate). Many STDs show no symptoms, so testing is the only reliable way to know your status. Confidential options are available across Mobile County.

STD Trends in Mobile 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
746.8
per 100K in 2023
336.6 in 2000
Peak 849.4 in 2009
Gonorrhea
269.4
per 100K in 2023
385.3 in 2000
Peak 450.5 in 2006
Syphilis (P&S)
55.1
per 100K in 2023
2.7 in 2000
Peak 55.1 in 2023

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

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Mobile County vs Alabama and the US

Infection Mobile County Alabama US vs Alabama vs US Rank in Alabama
Chlamydia 746.83,074 cases 651.1 490.7 14.7% above 52.2% above 19th of 67
Gonorrhea 269.41,109 cases 226.9 178.2 18.7% above 51.2% above 17th of 67
Syphilis (P&S) 55.1227 cases 28.6 15.8 92.7% above 248.7% above 10th 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

Mobile County ranks 19th of 67 Alabama counties for combined STD rate in 2023, at 1,071.3 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Mobile County, with 3,074 cases at a rate of 746.8 per 100,000 residents.
STDTest.com lists confidential testing locations across Mobile 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.