STD Rates in Jefferson County, Washington
2023 CDC surveillance data for Jefferson County, Washington — chlamydia, gonorrhea, and syphilis rates with state comparisons.
Jefferson County is among the lower-burden counties in Washington, reporting a combined STD rate of 148.3 per 100,000 residents in 2023 — 36th of 39 counties. Reported infections included chlamydia at 109.7 per 100,000 (37 cases, 69% below the state rate), gonorrhea at 29.7 per 100,000 (10 cases, too few for a reliable comparison), syphilis at 8.9 per 100,000 (3 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 Washington 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 Washington and the US
| Infection | Jefferson County | Washington | US | vs Washington | vs US | Rank in Washington |
|---|---|---|---|---|---|---|
| Chlamydia | 109.737 cases | 354.4 | 490.7 | 69% below | 77.6% below | 37th of 39 |
| Gonorrhea | 29.710 cases | 129.6 | 178.2 | Too few cases | Too few cases | – |
| Syphilis (P&S) | 8.93 cases | 21.3 | 15.8 | Too few cases | Too few cases | – |
Rates per 100,000 residents, 2023. Ranks run from the highest rate (1st) among Washington’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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