STD Rates in Pima County, Arizona
2023 CDC surveillance data for Pima County, Arizona — chlamydia, gonorrhea, and syphilis rates with state comparisons.
Pima County reported a combined STD rate of 753.1 per 100,000 residents in 2023, placing it 5th of 15 Arizona counties — in the upper half of the state. Reported infections included chlamydia at 555.0 per 100,000 (5,901 cases, 0% above the state rate), gonorrhea at 172.0 per 100,000 (1,829 cases, 10% below the state rate), syphilis at 26.1 per 100,000 (278 cases, 8% above the state rate). Routine testing is the surest way to catch STDs early, since many produce no symptoms. Pima County has confidential testing locations available.
STD Trends in Pima County, 2000–2023
Reported cases per 100,000 residents each year, against the Arizona 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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Pima County vs Arizona and the US
| Infection | Pima County | Arizona | US | vs Arizona | vs US | Rank in Arizona |
|---|---|---|---|---|---|---|
| Chlamydia | 5555,901 cases | 552.5 | 490.7 | 0.5% above | 13.1% above | 5th of 15 |
| Gonorrhea | 1721,829 cases | 190.7 | 178.2 | 9.8% below | 3.5% below | 4th of 15 |
| Syphilis (P&S) | 26.1278 cases | 24.1 | 15.8 | 8.3% above | 65.2% above | 7th of 15 |
Rates per 100,000 residents, 2023. Ranks run from the highest rate (1st) among Arizona’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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