STD Rates in Ellis County, Texas

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

Data Year: 2023 Source: CDC STI Surveillance Population: 222,812
Combined
475.3
per 100K
92nd / 247
Chlamydia
357.7
per 100K • 797 cases
US rate: 490.7
98th of 247 in Texas
Higher than 63% of US counties
Gonorrhea
111.3
per 100K • 248 cases
US rate: 178.2
68th of 247 in Texas
Higher than 68% of US counties
Syphilis P&S
6.3
per 100K • 14 cases
Based on 14 cases — interpret with care
US rate: 15.8

Ellis County reported a combined STD rate of 475.3 per 100,000 residents in 2023, placing it 92nd of 247 Texas counties — in the upper half of the state. Reported infections included chlamydia at 357.7 per 100,000 (797 cases, 27% below the state rate), gonorrhea at 111.3 per 100,000 (248 cases, 37% below the state rate), syphilis at 6.3 per 100,000 (14 cases, too few for a reliable comparison). Routine testing is the surest way to catch STDs early, since many produce no symptoms. Ellis County has confidential testing locations available.

STD Trends in Ellis 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
357.7
per 100K in 2023
221.4 in 2000
Peak 382.1 in 2018
Gonorrhea
111.3
per 100K in 2023
123.6 in 2000
Peak 134.7 in 2021
Syphilis (P&S)
6.3
per 100K in 2023
0.9 in 2000
Peak 9.1 in 2005

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

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Ellis County vs Texas and the US

Infection Ellis County Texas US vs Texas vs US Rank in Texas
Chlamydia 357.7797 cases 491.9 490.7 27.3% below 27.1% below 98th of 247
Gonorrhea 111.3248 cases 176.4 178.2 36.9% below 37.5% below 68th of 247
Syphilis (P&S) 6.314 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

Ellis County ranks 92nd of 247 Texas counties for combined STD rate in 2023, at 475.3 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Ellis County, with 797 cases at a rate of 357.7 per 100,000 residents.
STDTest.com lists confidential testing locations across Ellis 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.