STD Rates in Jefferson County, Oregon
2023 CDC surveillance data for Jefferson County, Oregon — chlamydia, gonorrhea, and syphilis rates with state comparisons.
Jefferson County has one of the higher STD burdens in Oregon, with a combined rate of 636.4 per 100,000 residents in 2023 — ranking 3rd of 36 counties. Reported infections included chlamydia at 573.6 per 100,000 (146 cases, 58% above the state rate), gonorrhea at 43.2 per 100,000 (11 cases, too few for a reliable comparison), syphilis at 19.6 per 100,000 (5 cases, too few for a reliable comparison). Confidential STD testing is available throughout Jefferson County — knowing your status is the only way to catch infections that often show no symptoms.
STD Trends in Jefferson 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.
Source: CDC NCHHSTP AtlasPlus county surveillance, 2000–2023.
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Jefferson County vs Oregon and the US
| Infection | Jefferson County | Oregon | US | vs Oregon | vs US | Rank in Oregon |
|---|---|---|---|---|---|---|
| Chlamydia | 573.6146 cases | 362.5 | 490.7 | 58.2% above | 16.9% above | 2nd of 36 |
| Gonorrhea | 43.211 cases | 117.2 | 178.2 | Too few cases | Too few cases | – |
| Syphilis (P&S) | 19.65 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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