STD Rates in Morrow County, Oregon

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

Data Year: 2023 Source: CDC STI Surveillance Population: 12,301
Combined
536.6
per 100K
5th / 36
Chlamydia
414.6
per 100K • 51 cases
US rate: 490.7
5th of 36 in Oregon
Higher than 71% of US counties
Gonorrhea
105.7
per 100K • 13 cases
Based on 13 cases — interpret with care
US rate: 178.2
Syphilis P&S
16.3
per 100K • 2 cases
Based on 2 cases — interpret with care
US rate: 15.8

Morrow County has one of the higher STD burdens in Oregon, with a combined rate of 536.6 per 100,000 residents in 2023 — ranking 5th of 36 counties. Reported infections included chlamydia at 414.6 per 100,000 (51 cases, 14% above the state rate), gonorrhea at 105.7 per 100,000 (13 cases, too few for a reliable comparison), syphilis at 16.3 per 100,000 (2 cases, too few for a reliable comparison). Routine testing is the surest way to catch STDs early, since many produce no symptoms. Morrow County has confidential testing locations available.

STD Trends in Morrow 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
414.6
per 100K in 2023
154.7 in 2000
Peak 475.4 in 2018
Gonorrhea
105.7
per 100K in 2023
18.2 in 2000
Peak 169.3 in 2016
Syphilis (P&S)
16.3
per 100K in 2023
0.0 in 2000
Peak 16.3 in 2023

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

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Morrow County vs Oregon and the US

Infection Morrow County Oregon US vs Oregon vs US Rank in Oregon
Chlamydia 414.651 cases 362.5 490.7 14.4% above 15.5% below 5th of 36
Gonorrhea 105.713 cases 117.2 178.2 Too few cases Too few cases –
Syphilis (P&S) 16.32 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

Morrow County ranks 5th of 36 Oregon counties for combined STD rate in 2023, at 536.6 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Morrow County, with 51 cases at a rate of 414.6 per 100,000 residents.
STDTest.com lists confidential testing locations across Morrow 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.