STD Rates in Santa Cruz County, Arizona

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

Data Year: 2023 Source: CDC STI Surveillance Population: 49,155
Combined
524.9
per 100K
8th / 15
Chlamydia
461.8
per 100K • 227 cases
US rate: 490.7
7th of 15 in Arizona
Higher than 75% of US counties
Gonorrhea
57
per 100K • 28 cases
US rate: 178.2
12th of 15 in Arizona
Higher than 45% of US counties
Syphilis P&S
6.1
per 100K • 3 cases
Based on 3 cases — interpret with care
US rate: 15.8

Santa Cruz County recorded a combined STD rate of 524.9 per 100,000 residents in 2023, ranking 8th of 15 counties in Arizona. Reported infections included chlamydia at 461.8 per 100,000 (227 cases, 16% below the state rate), gonorrhea at 57.0 per 100,000 (28 cases, 70% below the state rate), syphilis at 6.1 per 100,000 (3 cases, too few for a reliable comparison). Routine testing is the surest way to catch STDs early, since many produce no symptoms. Santa Cruz County has confidential testing locations available.

STD Trends in Santa Cruz 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
461.8
per 100K in 2023
0.0 in 2000
Peak 536.9 in 2017
Gonorrhea
57.0
per 100K in 2023
0.0 in 2000
Peak 146.2 in 2021
Syphilis (P&S)
6.1
per 100K in 2023
0.0 in 2000
Peak 12.3 in 2022

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

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Santa Cruz County vs Arizona and the US

Infection Santa Cruz County Arizona US vs Arizona vs US Rank in Arizona
Chlamydia 461.8227 cases 552.5 490.7 16.4% below 5.9% below 7th of 15
Gonorrhea 5728 cases 190.7 178.2 70.1% below 68% below 12th of 15
Syphilis (P&S) 6.13 cases 24.1 15.8 Too few cases Too few cases –

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

Santa Cruz County ranks 8th of 15 Arizona counties for combined STD rate in 2023, at 524.9 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Santa Cruz County, with 227 cases at a rate of 461.8 per 100,000 residents.
STDTest.com lists confidential testing locations across Santa Cruz 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.