STD Rates in Polk County, Oregon

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

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Data Year: 2023 Source: CDC STI Surveillance Population: 89,809
Combined
325.2
per 100K
18th / 36
Chlamydia
272.8
per 100K • 245 cases
Gonorrhea
37.9
per 100K • 34 cases
Syphilis P&S
14.5
per 100K • 13 cases

Polk County reported a combined STD rate of 325.2 per 100,000 residents in 2023, placing it 18th of 36 Oregon counties — in the upper half of the state. Reported infections included chlamydia at 272.8 per 100,000 (245 cases, 25% below the state rate), gonorrhea at 37.9 per 100,000 (34 cases, 68% below the state rate), syphilis at 14.5 per 100,000 (13 cases, 24% below the state rate). Confidential STD testing is available throughout Polk County — knowing your status is the only way to catch infections that often show no symptoms.

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Polk County vs Oregon Average

Infection Polk County Oregon Rate Difference
Chlamydia 272.8 362.5 25% below
Gonorrhea 37.9 117.2 68% below
Syphilis (P&S) 14.5 19.2 24% below

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Largest cities in Polk County, Oregon

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

STD testing in Dallas, OR17,531 people → STD testing in Monmouth, OR11,428 people → STD testing in Independence, OR10,199 people → STD testing in Grand Ronde, OR1,549 people →

Largest Counties in Oregon

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

All 36 Oregon counties → STD testing in Oregon →

FAQs

Polk County ranks 18th of 36 Oregon counties for combined STD rate in 2023, at 325.2 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Polk County, with 245 cases at a rate of 272.8 per 100,000 residents.
STDTest.com lists confidential testing locations across Polk 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