STD Rates in Coconino County, Arizona

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

Data Year: 2023 Source: CDC STI Surveillance Population: 144,476
Combined
761.3
per 100K
4th / 15
Chlamydia
600.1
per 100K • 867 cases
US rate: 490.7
4th of 15 in Arizona
Higher than 85% of US counties
Gonorrhea
138.4
per 100K • 200 cases
US rate: 178.2
5th of 15 in Arizona
Higher than 74% of US counties
Syphilis P&S
22.8
per 100K • 33 cases
US rate: 15.8
8th of 15 in Arizona
Higher than 83% of US counties

Coconino County reported a combined STD rate of 761.3 per 100,000 residents in 2023, placing it 4th of 15 Arizona counties — in the upper half of the state. Reported infections included chlamydia at 600.1 per 100,000 (867 cases, 9% above the state rate), gonorrhea at 138.4 per 100,000 (200 cases, 27% below the state rate), syphilis at 22.8 per 100,000 (33 cases, 5% 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 Coconino County.

STD Trends in Coconino 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
600.1
per 100K in 2023
0.0 in 2000
Peak 784.8 in 2019
Gonorrhea
138.4
per 100K in 2023
0.0 in 2000
Peak 182.6 in 2019
Syphilis (P&S)
22.8
per 100K in 2023
0.9 in 2000
Peak 43.4 in 2021

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

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Coconino County vs Arizona and the US

Infection Coconino County Arizona US vs Arizona vs US Rank in Arizona
Chlamydia 600.1867 cases 552.5 490.7 8.6% above 22.3% above 4th of 15
Gonorrhea 138.4200 cases 190.7 178.2 27.4% below 22.3% below 5th of 15
Syphilis (P&S) 22.833 cases 24.1 15.8 5.4% below 44.3% above 8th 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

Coconino County ranks 4th of 15 Arizona counties for combined STD rate in 2023, at 761.3 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Coconino County, with 867 cases at a rate of 600.1 per 100,000 residents.
STDTest.com lists confidential testing locations across Coconino 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.