STD Rates in Washington County, Oregon
2023 CDC surveillance data for Washington County, Oregon — chlamydia, gonorrhea, and syphilis rates with state comparisons.
Washington County has one of the higher STD burdens in Oregon, with a combined rate of 448.4 per 100,000 residents in 2023 — ranking 8th of 36 counties. Reported infections included chlamydia at 348.2 per 100,000 (2,085 cases, 4% below the state rate), gonorrhea at 90.5 per 100,000 (542 cases, 23% below the state rate), syphilis at 9.7 per 100,000 (58 cases, 49% below the state rate). Routine testing is the surest way to catch STDs early, since many produce no symptoms. Washington County has confidential testing locations available.
STD Trends in Washington 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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Washington County vs Oregon and the US
| Infection | Washington County | Oregon | US | vs Oregon | vs US | Rank in Oregon |
|---|---|---|---|---|---|---|
| Chlamydia | 348.22,085 cases | 362.5 | 490.7 | 3.9% below | 29% below | 10th of 36 |
| Gonorrhea | 90.5542 cases | 117.2 | 178.2 | 22.8% below | 49.2% below | 7th of 36 |
| Syphilis (P&S) | 9.758 cases | 19.2 | 15.8 | 49.5% below | 38.6% below | 24th of 36 |
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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