STD Rates in Randolph County, Illinois
2023 CDC surveillance data for Randolph County, Illinois — chlamydia, gonorrhea, and syphilis rates with state comparisons.
Randolph County reported a combined STD rate of 422.6 per 100,000 residents in 2023, placing it 34th of 102 Illinois counties — in the upper half of the state. Reported infections included chlamydia at 298.5 per 100,000 (89 cases, 46% below the state rate), gonorrhea at 107.3 per 100,000 (32 cases, 47% below the state rate), syphilis at 16.8 per 100,000 (5 cases, too few for a reliable comparison). Many STDs show no symptoms, so testing is the only reliable way to know your status. Confidential options are available across Randolph County.
STD Trends in Randolph 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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Randolph County vs Illinois and the US
| Infection | Randolph County | Illinois | US | vs Illinois | vs US | Rank in Illinois |
|---|---|---|---|---|---|---|
| Chlamydia | 298.589 cases | 557.7 | 490.7 | 46.5% below | 39.2% below | 38th of 102 |
| Gonorrhea | 107.332 cases | 202.3 | 178.2 | 47% below | 39.8% below | 28th of 102 |
| Syphilis (P&S) | 16.85 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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