STD Rates in Pinal County, Arizona

2023 CDC surveillance data for Pinal County, Arizona — chlamydia, gonorrhea, and syphilis rates with state comparisons.

Data Year: 2023 Source: CDC STI Surveillance Population: 484,185
Combined
529
per 100K
7th / 15
Chlamydia
411
per 100K • 1,990 cases
US rate: 490.7
8th of 15 in Arizona
Higher than 70% of US counties
Gonorrhea
109.5
per 100K • 530 cases
US rate: 178.2
7th of 15 in Arizona
Higher than 67% of US counties
Syphilis P&S
8.5
per 100K • 41 cases
US rate: 15.8
11th of 15 in Arizona
Higher than 56% of US counties

Pinal County reported a combined STD rate of 529.0 per 100,000 residents in 2023, placing it 7th of 15 Arizona counties — in the upper half of the state. Reported infections included chlamydia at 411.0 per 100,000 (1,990 cases, 26% below the state rate), gonorrhea at 109.5 per 100,000 (530 cases, 43% below the state rate), syphilis at 8.5 per 100,000 (41 cases, 65% below the state rate). Many STDs show no symptoms, so testing is the only reliable way to know your status. Confidential options are available across Pinal County.

STD Trends in Pinal 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.

Chlamydia
411.0
per 100K in 2023
0.0 in 2000
Peak 440.4 in 2019
Gonorrhea
109.5
per 100K in 2023
0.0 in 2000
Peak 164.4 in 2021
Syphilis (P&S)
8.5
per 100K in 2023
1.7 in 2000
Peak 11.4 in 2022

Source: CDC NCHHSTP AtlasPlus county surveillance, 2000–2023.

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Pinal County vs Arizona and the US

Infection Pinal County Arizona US vs Arizona vs US Rank in Arizona
Chlamydia 4111,990 cases 552.5 490.7 25.6% below 16.2% below 8th of 15
Gonorrhea 109.5530 cases 190.7 178.2 42.6% below 38.6% below 7th of 15
Syphilis (P&S) 8.541 cases 24.1 15.8 64.7% below 46.2% below 11th 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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FAQs

Pinal County ranks 7th of 15 Arizona counties for combined STD rate in 2023, at 529.0 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Pinal County, with 1,990 cases at a rate of 411.0 per 100,000 residents.
STDTest.com lists confidential testing locations across Pinal County and Arizona. Many offer same-day appointments with results in 1–3 days.
Data sourced from the CDC's annual STI Surveillance Report. Rates are per 100,000 population and reflect reported cases only — actual prevalence is likely higher due to undiagnosed infections. While we strive for accuracy, STDTest.com makes no representations or warranties regarding the completeness or accuracy of this data and is not responsible for any errors or omissions. This page is for informational purposes only and does not constitute medical advice.