Data Year: 2023Source: CDC STI SurveillancePopulation: 28,130
Combined
398.1
per 100K
38th / 58
Chlamydia
323.5
per 100K • 91 cases
Gonorrhea
53.3
per 100K • 15 cases
Syphilis P&S
21.3
per 100K • 6 cases
Glenn County recorded a combined STD rate of 398.1 per 100,000 residents in 2023, ranking 38th of 58 counties in California. Reported infections included chlamydia at 323.5 per 100,000 (91 cases, 34% below the state rate), gonorrhea at 53.3 per 100,000 (15 cases, 72% below the state rate), syphilis at 21.3 per 100,000 (6 cases, 31% above the state rate). Routine testing is the surest way to catch STDs early, since many produce no symptoms. Glenn County has confidential testing locations available.
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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.