STD Rates in Yamhill County, Oregon

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

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Data Year: 2023 Source: CDC STI Surveillance Population: 108,628
Combined
349.8
per 100K
16th / 36
Chlamydia
290.9
per 100K • 316 cases
Gonorrhea
53.4
per 100K • 58 cases
Syphilis P&S
5.5
per 100K • 6 cases

Yamhill County reported a combined STD rate of 349.8 per 100,000 residents in 2023, placing it 16th of 36 Oregon counties — in the upper half of the state. Reported infections included chlamydia at 290.9 per 100,000 (316 cases, 20% below the state rate), gonorrhea at 53.4 per 100,000 (58 cases, 54% below the state rate), syphilis at 5.5 per 100,000 (6 cases, 71% below the state rate). Many STDs show no symptoms, so testing is the only reliable way to know your status. Confidential options are available across Yamhill County.

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Yamhill County vs Oregon Average

Infection Yamhill County Oregon Rate Difference
Chlamydia 290.9 362.5 20% below
Gonorrhea 53.4 117.2 54% below
Syphilis (P&S) 5.5 19.2 71% below

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Largest cities in Yamhill County, Oregon

Largest first, by Census population. Each city page lists nearby clinics, free and low-cost testing, and labs.

STD testing in Mcminnville, OR34,596 people → STD testing in Newberg, OR26,066 people →

Largest Counties in Oregon

Multnomah County → Washington County → Clackamas County → Lane County → Marion County → Jackson County → Deschutes County → Linn County → Douglas County → Benton County →

All 36 Oregon counties → STD testing in Oregon →

FAQs

Yamhill County ranks 16th of 36 Oregon counties for combined STD rate in 2023, at 349.8 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Yamhill County, with 316 cases at a rate of 290.9 per 100,000 residents.
STDTest.com lists confidential testing locations across Yamhill County and Oregon. Many offer same-day appointments with results in 1–3 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