Data Year: 2023Source: CDC STI SurveillancePopulation: 800,982
Combined
703.9
per 100K
10th / 58
Chlamydia
529.6
per 100K • 4,242 cases
Gonorrhea
156.8
per 100K • 1,256 cases
Syphilis P&S
17.5
per 100K • 140 cases
San Joaquin County has one of the higher STD burdens in California, with a combined rate of 703.9 per 100,000 residents in 2023 — ranking 10th of 58 counties. Reported infections included chlamydia at 529.6 per 100,000 (4,242 cases, 8% above the state rate), gonorrhea at 156.8 per 100,000 (1,256 cases, 18% below the state rate), syphilis at 17.5 per 100,000 (140 cases, 7% 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 San Joaquin County.
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San Joaquin County ranks 10th of 58 California counties for combined STD rate in 2023, at 703.9 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in San Joaquin County, with 4,242 cases at a rate of 529.6 per 100,000 residents.
STDTest.com lists confidential testing locations across San Joaquin County and California. Many offer same-day appointments with results in 1u20133 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.