STD Rates in Whatcom County, Washington
2023 CDC surveillance data for Whatcom County, Washington — chlamydia, gonorrhea, and syphilis rates with state comparisons.
Whatcom County recorded a combined STD rate of 349.3 per 100,000 residents in 2023, ranking 21st of 39 counties in Washington. Reported infections included chlamydia at 277.3 per 100,000 (643 cases, 22% below the state rate), gonorrhea at 62.5 per 100,000 (145 cases, 52% below the state rate), syphilis at 9.5 per 100,000 (22 cases, 55% below the state rate). Confidential STD testing is available throughout Whatcom County — knowing your status is the only way to catch infections that often show no symptoms.
STD Trends in Whatcom 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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Whatcom County vs Washington and the US
| Infection | Whatcom County | Washington | US | vs Washington | vs US | Rank in Washington |
|---|---|---|---|---|---|---|
| Chlamydia | 277.3643 cases | 354.4 | 490.7 | 21.8% below | 43.5% below | 21st of 39 |
| Gonorrhea | 62.5145 cases | 129.6 | 178.2 | 51.8% below | 64.9% below | 22nd of 39 |
| Syphilis (P&S) | 9.522 cases | 21.3 | 15.8 | 55.4% below | 39.9% below | 20th of 39 |
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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