STD Rates in Vermilion County, Illinois
2023 CDC surveillance data for Vermilion County, Illinois — chlamydia, gonorrhea, and syphilis rates with state comparisons.
Vermilion County has one of the higher STD burdens in Illinois, with a combined rate of 1,052.3 per 100,000 residents in 2023 — ranking 8th of 102 counties. Reported infections included chlamydia at 693.6 per 100,000 (497 cases, 24% above the state rate), gonorrhea at 353.1 per 100,000 (253 cases, 75% above the state rate), syphilis at 5.6 per 100,000 (4 cases, too few for a reliable comparison). Routine testing is the surest way to catch STDs early, since many produce no symptoms. Vermilion County has confidential testing locations available.
STD Trends in Vermilion County, 2000–2023
Reported cases per 100,000 residents each year, against the Illinois 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.
Source: CDC NCHHSTP AtlasPlus county surveillance, 2000–2023.
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Vermilion County vs Illinois and the US
| Infection | Vermilion County | Illinois | US | vs Illinois | vs US | Rank in Illinois |
|---|---|---|---|---|---|---|
| Chlamydia | 693.6497 cases | 557.7 | 490.7 | 24.4% above | 41.3% above | 9th of 102 |
| Gonorrhea | 353.1253 cases | 202.3 | 178.2 | 74.5% above | 98.1% above | 5th of 102 |
| Syphilis (P&S) | 5.64 cases | 11.6 | 15.8 | Too few cases | Too few cases | – |
Rates per 100,000 residents, 2023. Ranks run from the highest rate (1st) among Illinois’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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