STD Rates in Fresno County, California

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

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Data Year: 2023 Source: CDC STI Surveillance Population: 1,017,104
Combined
929.1
per 100K
2nd / 58
Chlamydia
701.6
per 100K • 7,136 cases
Gonorrhea
203.4
per 100K • 2,069 cases
Syphilis P&S
24.1
per 100K • 245 cases

Fresno County has one of the higher STD burdens in California, with a combined rate of 929.1 per 100,000 residents in 2023 — ranking 2nd of 58 counties. Reported infections included chlamydia at 701.6 per 100,000 (7,136 cases, 43% above the state rate), gonorrhea at 203.4 per 100,000 (2,069 cases, 7% above the state rate), syphilis at 24.1 per 100,000 (245 cases, 48% above the state rate). Routine testing is the surest way to catch STDs early, since many produce no symptoms. Fresno County has confidential testing locations available.

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Fresno County County vs California Average

Infection Fresno County County California Rate Difference
Chlamydia 701.6 491.1 43% above
Gonorrhea 203.4 190.2 7% above
Syphilis (P&S) 24.1 16.3 48% above

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Other Counties in California

STD Testing Locations in Fresno County, California

FAQs

Fresno County ranks 2nd of 58 California counties for combined STD rate in 2023, at 929.1 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Fresno County, with 7,136 cases at a rate of 701.6 per 100,000 residents.
STDTest.com lists confidential testing locations across Fresno County and California. Many offer same-day appointments with results in 1u20133 days.

Related Resources

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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.
Sources