STD Rates in San Bernardino County, California
2023 CDC surveillance data for San Bernardino County, California — chlamydia, gonorrhea, and syphilis rates with state comparisons.
San Bernardino County has one of the higher STD burdens in California, with a combined rate of 741.0 per 100,000 residents in 2023 — ranking 8th of 58 counties. Reported infections included chlamydia at 562.1 per 100,000 (12,342 cases, 14% above the state rate), gonorrhea at 164.6 per 100,000 (3,615 cases, 13% below the state rate), syphilis at 14.3 per 100,000 (315 cases, 12% below the state rate). Routine testing is the surest way to catch STDs early, since many produce no symptoms. San Bernardino County has confidential testing locations available.
STD Trends in San Bernardino 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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San Bernardino County vs California and the US
| Infection | San Bernardino County | California | US | vs California | vs US | Rank in California |
|---|---|---|---|---|---|---|
| Chlamydia | 562.112,342 cases | 491.1 | 490.7 | 14.5% above | 14.6% above | 8th of 58 |
| Gonorrhea | 164.63,615 cases | 190.2 | 178.2 | 13.5% below | 7.6% below | 8th of 58 |
| Syphilis (P&S) | 14.3315 cases | 16.3 | 15.8 | 12.3% below | 9.5% below | 25th 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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