STD Rates in Butte County, California
2023 CDC surveillance data for Butte County, California — chlamydia, gonorrhea, and syphilis rates with state comparisons.
Butte County has one of the higher STD burdens in California, with a combined rate of 650.7 per 100,000 residents in 2023 — ranking 13th of 58 counties. Reported infections included chlamydia at 485.6 per 100,000 (1,006 cases, 1% below the state rate), gonorrhea at 131.8 per 100,000 (273 cases, 31% below the state rate), syphilis at 33.3 per 100,000 (69 cases, 104% above the state rate). Many STDs show no symptoms, so testing is the only reliable way to know your status. Confidential options are available across Butte County.
STD Trends in Butte County, 2000–2023
Reported cases per 100,000 residents each year, against the California 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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Butte County vs California and the US
| Infection | Butte County | California | US | vs California | vs US | Rank in California |
|---|---|---|---|---|---|---|
| Chlamydia | 485.61,006 cases | 491.1 | 490.7 | 1.1% below | 1% below | 13th of 58 |
| Gonorrhea | 131.8273 cases | 190.2 | 178.2 | 30.7% below | 26% below | 14th of 58 |
| Syphilis (P&S) | 33.369 cases | 16.3 | 15.8 | 104.3% above | 110.8% above | 3rd of 58 |
Rates per 100,000 residents, 2023. Ranks run from the highest rate (1st) among California’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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