STD Rates in Riverside County, California
2023 CDC surveillance data for Riverside County, California — chlamydia, gonorrhea, and syphilis rates with state comparisons.
Riverside County has one of the higher STD burdens in California, with a combined rate of 641.9 per 100,000 residents in 2023 — ranking 14th of 58 counties. Reported infections included chlamydia at 466.9 per 100,000 (11,638 cases, 5% below the state rate), gonorrhea at 162.6 per 100,000 (4,053 cases, 15% below the state rate), syphilis at 12.4 per 100,000 (309 cases, 24% below the state rate). Routine testing is the surest way to catch STDs early, since many produce no symptoms. Riverside County has confidential testing locations available.
STD Trends in Riverside 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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Riverside County vs California and the US
| Infection | Riverside County | California | US | vs California | vs US | Rank in California |
|---|---|---|---|---|---|---|
| Chlamydia | 466.911,638 cases | 491.1 | 490.7 | 4.9% below | 4.9% below | 15th of 58 |
| Gonorrhea | 162.64,053 cases | 190.2 | 178.2 | 14.5% below | 8.8% below | 9th of 58 |
| Syphilis (P&S) | 12.4309 cases | 16.3 | 15.8 | 23.9% below | 21.5% below | 32nd 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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