STD Rates in Lewis County, Washington
2023 CDC surveillance data for Lewis County, Washington — chlamydia, gonorrhea, and syphilis rates with state comparisons.
Lewis County reported a combined STD rate of 406.2 per 100,000 residents in 2023, placing it 19th of 39 Washington counties — in the upper half of the state. Reported infections included chlamydia at 327.3 per 100,000 (282 cases, 8% below the state rate), gonorrhea at 62.7 per 100,000 (54 cases, 52% below the state rate), syphilis at 16.2 per 100,000 (14 cases, too few for a reliable comparison). Many STDs show no symptoms, so testing is the only reliable way to know your status. Confidential options are available across Lewis County.
STD Trends in Lewis 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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Lewis County vs Washington and the US
| Infection | Lewis County | Washington | US | vs Washington | vs US | Rank in Washington |
|---|---|---|---|---|---|---|
| Chlamydia | 327.3282 cases | 354.4 | 490.7 | 7.6% below | 33.3% below | 17th of 39 |
| Gonorrhea | 62.754 cases | 129.6 | 178.2 | 51.6% below | 64.8% below | 21st of 39 |
| Syphilis (P&S) | 16.214 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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