STD Rates in Galveston County, Texas

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

Data Year: 2023 Source: CDC STI Surveillance Population: 361,791
Combined
504.8
per 100K
82nd / 247
Chlamydia
384.2
per 100K • 1,390 cases
US rate: 490.7
80th of 247 in Texas
Higher than 67% of US counties
Gonorrhea
107.3
per 100K • 388 cases
US rate: 178.2
73rd of 247 in Texas
Higher than 67% of US counties
Syphilis P&S
13.3
per 100K • 48 cases
US rate: 15.8
69th of 247 in Texas
Higher than 69% of US counties

Galveston County reported a combined STD rate of 504.8 per 100,000 residents in 2023, placing it 82nd of 247 Texas counties — in the upper half of the state. Reported infections included chlamydia at 384.2 per 100,000 (1,390 cases, 22% below the state rate), gonorrhea at 107.3 per 100,000 (388 cases, 39% below the state rate), syphilis at 13.3 per 100,000 (48 cases, 11% below the state rate). Many STDs show no symptoms, so testing is the only reliable way to know your status. Confidential options are available across Galveston County.

STD Trends in Galveston County, 2000–2023

Reported cases per 100,000 residents each year, against the Texas 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
384.2
per 100K in 2023
342.2 in 2000
Peak 506.2 in 2017
Gonorrhea
107.3
per 100K in 2023
212.6 in 2000
Peak 212.6 in 2000
Syphilis (P&S)
13.3
per 100K in 2023
0.4 in 2000
Peak 13.9 in 2009

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

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Galveston County vs Texas and the US

Infection Galveston County Texas US vs Texas vs US Rank in Texas
Chlamydia 384.21,390 cases 491.9 490.7 21.9% below 21.7% below 80th of 247
Gonorrhea 107.3388 cases 176.4 178.2 39.2% below 39.8% below 73rd of 247
Syphilis (P&S) 13.348 cases 15 15.8 11.3% below 15.8% below 69th of 247

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

Galveston County ranks 82nd of 247 Texas counties for combined STD rate in 2023, at 504.8 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Galveston County, with 1,390 cases at a rate of 384.2 per 100,000 residents.
STDTest.com lists confidential testing locations across Galveston County and Texas. 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.