STD Rates in Hidalgo County, Texas

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

Data Year: 2023 Source: CDC STI Surveillance Population: 898,521
Combined
484.3
per 100K
86th / 247
Chlamydia
392.2
per 100K • 3,524 cases
US rate: 490.7
78th of 247 in Texas
Higher than 68% of US counties
Gonorrhea
82.8
per 100K • 744 cases
US rate: 178.2
118th of 247 in Texas
Higher than 59% of US counties
Syphilis P&S
9.3
per 100K • 84 cases
US rate: 15.8
93rd of 247 in Texas
Higher than 59% of US counties

Hidalgo County reported a combined STD rate of 484.3 per 100,000 residents in 2023, placing it 86th of 247 Texas counties — in the upper half of the state. Reported infections included chlamydia at 392.2 per 100,000 (3,524 cases, 20% below the state rate), gonorrhea at 82.8 per 100,000 (744 cases, 53% below the state rate), syphilis at 9.3 per 100,000 (84 cases, 38% below the state rate). Routine testing is the surest way to catch STDs early, since many produce no symptoms. Hidalgo County has confidential testing locations available.

STD Trends in Hidalgo 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
392.2
per 100K in 2023
266.5 in 2000
Peak 477.8 in 2017
Gonorrhea
82.8
per 100K in 2023
17.5 in 2000
Peak 97.1 in 2021
Syphilis (P&S)
9.3
per 100K in 2023
0.9 in 2000
Peak 9.3 in 2023

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

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Hidalgo County vs Texas and the US

Infection Hidalgo County Texas US vs Texas vs US Rank in Texas
Chlamydia 392.23,524 cases 491.9 490.7 20.3% below 20.1% below 78th of 247
Gonorrhea 82.8744 cases 176.4 178.2 53.1% below 53.5% below 118th of 247
Syphilis (P&S) 9.384 cases 15 15.8 38% below 41.1% below 93rd of 247

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

Hidalgo County ranks 86th of 247 Texas counties for combined STD rate in 2023, at 484.3 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Hidalgo County, with 3,524 cases at a rate of 392.2 per 100,000 residents.
STDTest.com lists confidential testing locations across Hidalgo 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.