STD Rates in Douglas County, Oregon

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

Data Year: 2023 Source: CDC STI Surveillance Population: 112,460
Combined
226.7
per 100K
25th / 36
Chlamydia
189.4
per 100K • 213 cases
US rate: 490.7
24th of 36 in Oregon
Higher than 26% of US counties
Gonorrhea
24
per 100K • 27 cases
US rate: 178.2
29th of 36 in Oregon
Higher than 20% of US counties
Syphilis P&S
13.3
per 100K • 15 cases
Based on 15 cases — interpret with care
US rate: 15.8

Douglas County recorded a combined STD rate of 226.7 per 100,000 residents in 2023, ranking 25th of 36 counties in Oregon. Reported infections included chlamydia at 189.4 per 100,000 (213 cases, 48% below the state rate), gonorrhea at 24.0 per 100,000 (27 cases, 80% below the state rate), syphilis at 13.3 per 100,000 (15 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 Douglas County.

STD Trends in Douglas 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
189.4
per 100K in 2023
121.5 in 2000
Peak 305.0 in 2017
Gonorrhea
24.0
per 100K in 2023
1.0 in 2000
Peak 128.0 in 2018
Syphilis (P&S)
13.3
per 100K in 2023
0.0 in 2000
Peak 16.9 in 2022

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

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Douglas County vs Oregon and the US

Infection Douglas County Oregon US vs Oregon vs US Rank in Oregon
Chlamydia 189.4213 cases 362.5 490.7 47.8% below 61.4% below 24th of 36
Gonorrhea 2427 cases 117.2 178.2 79.5% below 86.5% below 29th of 36
Syphilis (P&S) 13.315 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

Douglas County ranks 25th of 36 Oregon counties for combined STD rate in 2023, at 226.7 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Douglas County, with 213 cases at a rate of 189.4 per 100,000 residents.
STDTest.com lists confidential testing locations across Douglas 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.