STD Rates in Plumas County, California

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

Data Year: 2023 Source: CDC STI Surveillance Population: 19,126
Combined
162.1
per 100K
54th / 58
Chlamydia
146.4
per 100K • 28 cases
US rate: 490.7
52nd of 58 in California
Higher than 14% of US counties
Gonorrhea
15.7
per 100K • 3 cases
Based on 3 cases — interpret with care
US rate: 178.2
Syphilis P&S
0.0
No cases reported

Plumas County is among the lower-burden counties in California, reporting a combined STD rate of 162.1 per 100,000 residents in 2023 — 54th of 58 counties. Reported infections included chlamydia at 146.4 per 100,000 (28 cases, 70% below the state rate), gonorrhea at 15.7 per 100,000 (3 cases, too few for a reliable comparison). No syphilis cases were reported in Plumas County in 2023. Confidential STD testing is available throughout Plumas County — knowing your status is the only way to catch infections that often show no symptoms.

STD Trends in Plumas 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
146.4
per 100K in 2023
0.0 in 2000
Peak 369.8 in 2017
Gonorrhea
15.7
per 100K in 2023
0.0 in 2000
Peak 101.0 in 2019
Syphilis (P&S)
0.0
per 100K in 2023
0.0 in 2000
Peak 15.2 in 2020

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

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Plumas County vs California and the US

Infection Plumas County California US vs California vs US Rank in California
Chlamydia 146.428 cases 491.1 490.7 70.2% below 70.2% below 52nd of 58
Gonorrhea 15.73 cases 190.2 178.2 Too few cases Too few cases –
Syphilis (P&S) 00 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

Plumas County ranks 54th of 58 California counties for combined STD rate in 2023, at 162.1 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Plumas County, with 28 cases at a rate of 146.4 per 100,000 residents.
STDTest.com lists confidential testing locations across Plumas 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.