STD Rates in Zavala County, Texas

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

Data Year: 2023 Source: CDC STI Surveillance Population: 9,311
Combined
923.6
per 100K
11th / 247
Chlamydia
569.2
per 100K • 53 cases
US rate: 490.7
30th of 247 in Texas
Higher than 83% of US counties
Gonorrhea
354.4
per 100K • 33 cases
US rate: 178.2
3rd of 247 in Texas
Higher than 94% of US counties
Syphilis P&S
0.0
No cases reported

Zavala County has one of the higher STD burdens in Texas, with a combined rate of 923.6 per 100,000 residents in 2023 — ranking 11th of 247 counties. Reported infections included chlamydia at 569.2 per 100,000 (53 cases, 16% above the state rate), gonorrhea at 354.4 per 100,000 (33 cases, 101% above the state rate). No syphilis cases were reported in Zavala County in 2023. Routine testing is the surest way to catch STDs early, since many produce no symptoms. Zavala County has confidential testing locations available.

STD Trends in Zavala County, 2000–2023

Reported cases per 100,000 residents each year, against the Texas 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
569.2
per 100K in 2023
258.2 in 2000
Peak 665.9 in 2012
Gonorrhea
354.4
per 100K in 2023
17.2 in 2000
Peak 354.4 in 2023
Syphilis (P&S)
0.0
per 100K in 2023
0.0 in 2000
Peak 10.7 in 2022

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

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Zavala County vs Texas and the US

Infection Zavala County Texas US vs Texas vs US Rank in Texas
Chlamydia 569.253 cases 491.9 490.7 15.7% above 16% above 30th of 247
Gonorrhea 354.433 cases 176.4 178.2 100.9% above 98.9% above 3rd of 247
Syphilis (P&S) 00 cases 15 15.8 Too few cases Too few cases –

Rates per 100,000 residents, 2023. Ranks run from the highest rate (1st) among Texas’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

Zavala County ranks 11th of 247 Texas counties for combined STD rate in 2023, at 923.6 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Zavala County, with 53 cases at a rate of 569.2 per 100,000 residents.
STDTest.com lists confidential testing locations across Zavala County and Texas. 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.