STD Rates in Wasco County, Oregon

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

Data Year: 2023 Source: CDC STI Surveillance Population: 26,335
Combined
368.4
per 100K
13th / 36
Chlamydia
269.6
per 100K • 71 cases
US rate: 490.7
17th of 36 in Oregon
Higher than 47% of US counties
Gonorrhea
76
per 100K • 20 cases
US rate: 178.2
10th of 36 in Oregon
Higher than 56% of US counties
Syphilis P&S
22.8
per 100K • 6 cases
Based on 6 cases — interpret with care
US rate: 15.8

Wasco County reported a combined STD rate of 368.4 per 100,000 residents in 2023, placing it 13th of 36 Oregon counties — in the upper half of the state. Reported infections included chlamydia at 269.6 per 100,000 (71 cases, 26% below the state rate), gonorrhea at 76.0 per 100,000 (20 cases, 35% below the state rate), syphilis at 22.8 per 100,000 (6 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 Wasco County.

STD Trends in Wasco County, 2000–2023

Reported cases per 100,000 residents each year, against the Oregon 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
269.6
per 100K in 2023
109.2 in 2000
Peak 472.2 in 2019
Gonorrhea
76.0
per 100K in 2023
0.0 in 2000
Peak 108.7 in 2020
Syphilis (P&S)
22.8
per 100K in 2023
0.0 in 2000
Peak 22.8 in 2023

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

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Wasco County vs Oregon and the US

Infection Wasco County Oregon US vs Oregon vs US Rank in Oregon
Chlamydia 269.671 cases 362.5 490.7 25.6% below 45.1% below 17th of 36
Gonorrhea 7620 cases 117.2 178.2 35.2% below 57.4% below 10th of 36
Syphilis (P&S) 22.86 cases 19.2 15.8 Too few cases Too few cases –

Rates per 100,000 residents, 2023. Ranks run from the highest rate (1st) among Oregon’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

Wasco County ranks 13th of 36 Oregon counties for combined STD rate in 2023, at 368.4 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Wasco County, with 71 cases at a rate of 269.6 per 100,000 residents.
STDTest.com lists confidential testing locations across Wasco County and Oregon. 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.