STD Rates in Harris County, Texas

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

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Data Year: 2023 Source: CDC STI Surveillance Population: 4,835,360
Combined
910.2
per 100K
12th / 247
Chlamydia
641.4
per 100K • 31,014 cases
Gonorrhea
240.6
per 100K • 11,631 cases
Syphilis P&S
28.2
per 100K • 1,363 cases

Harris County has one of the higher STD burdens in Texas, with a combined rate of 910.2 per 100,000 residents in 2023 — ranking 12th of 247 counties. Reported infections included chlamydia at 641.4 per 100,000 (31,014 cases, 30% above the state rate), gonorrhea at 240.6 per 100,000 (11,631 cases, 36% above the state rate), syphilis at 28.2 per 100,000 (1,363 cases, 88% above the state rate). Confidential STD testing is available throughout Harris County — knowing your status is the only way to catch infections that often show no symptoms.

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Harris County County vs Texas Average

Infection Harris County County Texas Rate Difference
Chlamydia 641.4 491.9 30% above
Gonorrhea 240.6 176.4 36% above
Syphilis (P&S) 28.2 15 88% above

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Other Counties in Texas

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STD Testing Locations in Harris County, Texas

FAQs

Harris County ranks 12th of 247 Texas counties for combined STD rate in 2023, at 910.2 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Harris County, with 31,014 cases at a rate of 641.4 per 100,000 residents.
STDTest.com lists confidential testing locations across Harris County and Texas. Many offer same-day appointments with results in 1u20133 days.

Related Resources

STD Testing Window Periods How Soon After Sex to Test STD Symptoms Guide Testing Timeline Chart All Testing Clinics STD Statistics and Data
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.
Sources