STD Rates in Clark County, Washington
2023 CDC surveillance data for Clark County, Washington — chlamydia, gonorrhea, and syphilis rates with state comparisons.
Clark County reported a combined STD rate of 462.6 per 100,000 residents in 2023, placing it 13th of 39 Washington counties — in the upper half of the state. Reported infections included chlamydia at 346.0 per 100,000 (1,803 cases, 2% below the state rate), gonorrhea at 98.6 per 100,000 (514 cases, 24% below the state rate), syphilis at 18.0 per 100,000 (94 cases, 15% below the state rate). Many STDs show no symptoms, so testing is the only reliable way to know your status. Confidential options are available across Clark County.
STD Trends in Clark 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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Clark County vs Washington and the US
| Infection | Clark County | Washington | US | vs Washington | vs US | Rank in Washington |
|---|---|---|---|---|---|---|
| Chlamydia | 3461,803 cases | 354.4 | 490.7 | 2.4% below | 29.5% below | 14th of 39 |
| Gonorrhea | 98.6514 cases | 129.6 | 178.2 | 23.9% below | 44.7% below | 9th of 39 |
| Syphilis (P&S) | 1894 cases | 21.3 | 15.8 | 15.5% below | 13.9% above | 12th 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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