STD Rates in Alameda County, California

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

Get Tested Now Find a Clinic
Data Year: 2023 Source: CDC STI Surveillance Population: 1,622,188
Combined
663.7
per 100K
12th / 58
Chlamydia
453.4
per 100K • 7,355 cases
Gonorrhea
198.8
per 100K • 3,225 cases
Syphilis P&S
11.5
per 100K • 186 cases

Alameda County has one of the higher STD burdens in California, with a combined rate of 663.7 per 100,000 residents in 2023 — ranking 12th of 58 counties. Reported infections included chlamydia at 453.4 per 100,000 (7,355 cases, 8% below the state rate), gonorrhea at 198.8 per 100,000 (3,225 cases, 5% above the state rate), syphilis at 11.5 per 100,000 (186 cases, 29% below the state rate). Confidential STD testing is available throughout Alameda County — knowing your status is the only way to catch infections that often show no symptoms.

Know your status — get tested today

Same-day testing at 4,500+ locations. No appointment needed. Results in 1–3 days.

Compare Tests & Pricing Find a clinic

Alameda County County vs California Average

Infection Alameda County County California Rate Difference
Chlamydia 453.4 491.1 8% below
Gonorrhea 198.8 190.2 5% above
Syphilis (P&S) 11.5 16.3 29% below

Find a clinic near you

4,500+ testing locations nationwide. 100% confidential. Most insurance accepted.

Compare Tests & Pricing Find a clinic

Other Counties in California

STD Testing Locations in Alameda County, California

FAQs

Alameda County ranks 12th of 58 California counties for combined STD rate in 2023, at 663.7 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Alameda County, with 7,355 cases at a rate of 453.4 per 100,000 residents.
STDTest.com lists confidential testing locations across Alameda County and California. 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