STD Rates in Grand Isle County, Vermont

2023 CDC surveillance data for Grand Isle County, Vermont — chlamydia, gonorrhea, and syphilis rates with state comparisons.

Data Year: 2023 Source: CDC STI Surveillance Population: 7,467
Combined
160.7
per 100K
11th / 14
Chlamydia
160.7
per 100K • 12 cases
Based on 12 cases — interpret with care
US rate: 490.7
Gonorrhea
0.0
No cases reported
Syphilis P&S
0.0
No cases reported

Grand Isle County is among the lower-burden counties in Vermont, reporting a combined STD rate of 160.7 per 100,000 residents in 2023 — 11th of 14 counties. Reported infections included chlamydia at 160.7 per 100,000 (12 cases, too few for a reliable comparison). No gonorrhea or syphilis cases were reported in Grand Isle County in 2023. Routine testing is the surest way to catch STDs early, since many produce no symptoms. Grand Isle County has confidential testing locations available.

STD Trends in Grand Isle County, 2000–2023

Reported cases per 100,000 residents each year, against the Vermont 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
160.7
per 100K in 2023
14.4 in 2000
Peak 473.6 in 2014
Gonorrhea
0.0
per 100K in 2023
14.4 in 2000
Peak 43.0 in 2017
Syphilis (P&S)
0.0
per 100K in 2023
0.0 in 2000
Peak 14.4 in 2016

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

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Grand Isle County vs Vermont and the US

Infection Grand Isle County Vermont US vs Vermont vs US Rank in Vermont
Chlamydia 160.712 cases 201.9 490.7 Too few cases Too few cases
Gonorrhea 00 cases 34 178.2 Too few cases Too few cases
Syphilis (P&S) 00 cases 0.5 15.8 Too few cases Too few cases

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

Grand Isle County ranks 11th of 14 Vermont counties for combined STD rate in 2023, at 160.7 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Grand Isle County, with 12 cases at a rate of 160.7 per 100,000 residents.
STDTest.com lists confidential testing locations across Grand Isle County and Vermont. 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.