STD Rates in Yuba County, California

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

Data Year: 2023 Source: CDC STI Surveillance Population: 85,723
Combined
449.1
per 100K
29th / 58
Chlamydia
324.3
per 100K • 278 cases
US rate: 490.7
31st of 58 in California
Higher than 57% of US counties
Gonorrhea
108.5
per 100K • 93 cases
US rate: 178.2
23rd of 58 in California
Higher than 67% of US counties
Syphilis P&S
16.3
per 100K • 14 cases
Based on 14 cases — interpret with care
US rate: 15.8

Yuba County reported a combined STD rate of 449.1 per 100,000 residents in 2023, placing it 29th of 58 California counties — in the upper half of the state. Reported infections included chlamydia at 324.3 per 100,000 (278 cases, 34% below the state rate), gonorrhea at 108.5 per 100,000 (93 cases, 43% below the state rate), syphilis at 16.3 per 100,000 (14 cases, too few for a reliable comparison). Routine testing is the surest way to catch STDs early, since many produce no symptoms. Yuba County has confidential testing locations available.

STD Trends in Yuba 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
324.3
per 100K in 2023
0.0 in 2000
Peak 488.1 in 2019
Gonorrhea
108.5
per 100K in 2023
0.0 in 2000
Peak 317.8 in 2019
Syphilis (P&S)
16.3
per 100K in 2023
0.0 in 2000
Peak 77.2 in 2020

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

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Yuba County vs California and the US

Infection Yuba County California US vs California vs US Rank in California
Chlamydia 324.3278 cases 491.1 490.7 34% below 33.9% below 31st of 58
Gonorrhea 108.593 cases 190.2 178.2 43% below 39.1% below 23rd of 58
Syphilis (P&S) 16.314 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

Yuba County ranks 29th of 58 California counties for combined STD rate in 2023, at 449.1 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Yuba County, with 278 cases at a rate of 324.3 per 100,000 residents.
STDTest.com lists confidential testing locations across Yuba 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.