STD Rates in Willacy County, Texas

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

Data Year: 2023 Source: CDC STI Surveillance Population: 20,038
Combined
778.5
per 100K
20th / 247
Chlamydia
678.7
per 100K • 136 cases
US rate: 490.7
10th of 247 in Texas
Higher than 89% of US counties
Gonorrhea
94.8
per 100K • 19 cases
Based on 19 cases — interpret with care
US rate: 178.2
Syphilis P&S
5
per 100K • 1 cases
Based on 1 case — interpret with care
US rate: 15.8

Willacy County has one of the higher STD burdens in Texas, with a combined rate of 778.5 per 100,000 residents in 2023 — ranking 20th of 247 counties. Reported infections included chlamydia at 678.7 per 100,000 (136 cases, 38% above the state rate), gonorrhea at 94.8 per 100,000 (19 cases, too few for a reliable comparison), syphilis at 5.0 per 100,000 (1 case, too few for a reliable comparison). Routine testing is the surest way to catch STDs early, since many produce no symptoms. Willacy County has confidential testing locations available.

STD Trends in Willacy 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
678.7
per 100K in 2023
354.4 in 2000
Peak 678.7 in 2023
Gonorrhea
94.8
per 100K in 2023
59.9 in 2000
Peak 94.8 in 2023
Syphilis (P&S)
5.0
per 100K in 2023
0.0 in 2000
Peak 9.9 in 2022

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

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Willacy County vs Texas and the US

Infection Willacy County Texas US vs Texas vs US Rank in Texas
Chlamydia 678.7136 cases 491.9 490.7 38% above 38.3% above 10th of 247
Gonorrhea 94.819 cases 176.4 178.2 Too few cases Too few cases
Syphilis (P&S) 51 case 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

Willacy County ranks 20th of 247 Texas counties for combined STD rate in 2023, at 778.5 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Willacy County, with 136 cases at a rate of 678.7 per 100,000 residents.
STDTest.com lists confidential testing locations across Willacy 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.