STD Rates in San Benito County, California

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

Data Year: 2023 Source: CDC STI Surveillance Population: 68,168
Combined
399
per 100K
37th / 58
Chlamydia
328.6
per 100K • 224 cases
US rate: 490.7
30th of 58 in California
Higher than 58% of US counties
Gonorrhea
66
per 100K • 45 cases
US rate: 178.2
41st of 58 in California
Higher than 51% of US counties
Syphilis P&S
4.4
per 100K • 3 cases
Based on 3 cases — interpret with care
US rate: 15.8

San Benito County recorded a combined STD rate of 399.0 per 100,000 residents in 2023, ranking 37th of 58 counties in California. Reported infections included chlamydia at 328.6 per 100,000 (224 cases, 33% below the state rate), gonorrhea at 66.0 per 100,000 (45 cases, 65% below the state rate), syphilis at 4.4 per 100,000 (3 cases, too few for a reliable comparison). Many STDs show no symptoms, so testing is the only reliable way to know your status. Confidential options are available across San Benito County.

STD Trends in San Benito County, 2000–2023

Reported cases per 100,000 residents each year, against the California rate (dashed). In a county this size a handful of cases moves the rate a long way, so read the shape rather than any single year.

Chlamydia
328.6
per 100K in 2023
0.0 in 2000
Peak 436.3 in 2019
Gonorrhea
66.0
per 100K in 2023
0.0 in 2000
Peak 130.5 in 2015
Syphilis (P&S)
4.4
per 100K in 2023
0.0 in 2000
Peak 9.0 in 2021

Source: CDC NCHHSTP AtlasPlus county surveillance, 2000–2023.

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San Benito County vs California and the US

Infection San Benito County California US vs California vs US Rank in California
Chlamydia 328.6224 cases 491.1 490.7 33.1% below 33% below 30th of 58
Gonorrhea 6645 cases 190.2 178.2 65.3% below 63% below 41st of 58
Syphilis (P&S) 4.43 cases 16.3 15.8 Too few cases Too few cases –

Rates per 100,000 residents, 2023. Ranks run from the highest rate (1st) among California’s counties. The US rate is all 50 states combined. Comparisons are left out where fewer than 20 cases were reported, because a rate built on so few cases can swing widely from one year to the next.

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FAQs

San Benito County ranks 37th of 58 California counties for combined STD rate in 2023, at 399.0 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in San Benito County, with 224 cases at a rate of 328.6 per 100,000 residents.
STDTest.com lists confidential testing locations across San Benito County and California. Many offer same-day appointments with results in 1–3 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.