STD Rates in Polk County, Florida

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

Data Year: 2023 Source: CDC STI Surveillance Population: 818,392
Combined
711.5
per 100K
18th / 67
Chlamydia
519.8
per 100K • 4,254 cases
US rate: 490.7
17th of 67 in Florida
Higher than 79% of US counties
Gonorrhea
175.8
per 100K • 1,439 cases
US rate: 178.2
21st of 67 in Florida
Higher than 81% of US counties
Syphilis P&S
15.9
per 100K • 130 cases
US rate: 15.8
26th of 67 in Florida
Higher than 74% of US counties

Polk County reported a combined STD rate of 711.5 per 100,000 residents in 2023, placing it 18th of 67 Florida counties — in the upper half of the state. Reported infections included chlamydia at 519.8 per 100,000 (4,254 cases, 4% above the state rate), gonorrhea at 175.8 per 100,000 (1,439 cases, 15% below the state rate), syphilis at 15.9 per 100,000 (130 cases, 18% below the state rate). Confidential STD testing is available throughout Polk County — knowing your status is the only way to catch infections that often show no symptoms.

STD Trends in Polk 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
519.8
per 100K in 2023
247.1 in 2000
Peak 534.9 in 2019
Gonorrhea
175.8
per 100K in 2023
180.3 in 2000
Peak 202.5 in 2021
Syphilis (P&S)
15.9
per 100K in 2023
5.2 in 2000
Peak 18.8 in 2022

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

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Polk County vs Florida and the US

Infection Polk County Florida US vs Florida vs US Rank in Florida
Chlamydia 519.84,254 cases 498.9 490.7 4.2% above 5.9% above 17th of 67
Gonorrhea 175.81,439 cases 206.7 178.2 14.9% below 1.3% below 21st of 67
Syphilis (P&S) 15.9130 cases 19.3 15.8 17.6% below 0.6% above 26th 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

Polk County ranks 18th of 67 Florida counties for combined STD rate in 2023, at 711.5 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Polk County, with 4,254 cases at a rate of 519.8 per 100,000 residents.
STDTest.com lists confidential testing locations across Polk 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.