STD Rates in Seminole County, Florida

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

Data Year: 2023 Source: CDC STI Surveillance Population: 484,288
Combined
480.1
per 100K
41st / 67
Chlamydia
340.5
per 100K • 1,649 cases
US rate: 490.7
44th of 67 in Florida
Higher than 60% of US counties
Gonorrhea
128.4
per 100K • 622 cases
US rate: 178.2
32nd of 67 in Florida
Higher than 72% of US counties
Syphilis P&S
11.2
per 100K • 54 cases
US rate: 15.8
35th of 67 in Florida
Higher than 64% of US counties

Seminole County recorded a combined STD rate of 480.1 per 100,000 residents in 2023, ranking 41st of 67 counties in Florida. Reported infections included chlamydia at 340.5 per 100,000 (1,649 cases, 32% below the state rate), gonorrhea at 128.4 per 100,000 (622 cases, 38% below the state rate), syphilis at 11.2 per 100,000 (54 cases, 42% below the state rate). Routine testing is the surest way to catch STDs early, since many produce no symptoms. Seminole County has confidential testing locations available.

STD Trends in Seminole County, 2000–2023

Reported cases per 100,000 residents each year, against the Florida 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
340.5
per 100K in 2023
153.8 in 2000
Peak 423.2 in 2018
Gonorrhea
128.4
per 100K in 2023
119.5 in 2000
Peak 145.7 in 2021
Syphilis (P&S)
11.2
per 100K in 2023
3.3 in 2000
Peak 18.3 in 2021

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

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Seminole County vs Florida and the US

Infection Seminole County Florida US vs Florida vs US Rank in Florida
Chlamydia 340.51,649 cases 498.9 490.7 31.7% below 30.6% below 44th of 67
Gonorrhea 128.4622 cases 206.7 178.2 37.9% below 27.9% below 32nd of 67
Syphilis (P&S) 11.254 cases 19.3 15.8 42% below 29.1% below 35th of 67

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

Seminole County ranks 41st of 67 Florida counties for combined STD rate in 2023, at 480.1 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Seminole County, with 1,649 cases at a rate of 340.5 per 100,000 residents.
STDTest.com lists confidential testing locations across Seminole County and Florida. 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.