STD Rates in Allen County, Indiana
2023 CDC surveillance data for Allen County, Indiana — chlamydia, gonorrhea, and syphilis rates with state comparisons.
Allen County has one of the higher STD burdens in Indiana, with a combined rate of 814.0 per 100,000 residents in 2023 — ranking 4th of 92 counties. Reported infections included chlamydia at 608.0 per 100,000 (2,399 cases, 24% above the state rate), gonorrhea at 197.4 per 100,000 (779 cases, 37% above the state rate), syphilis at 8.6 per 100,000 (34 cases, 1% below the state rate). Many STDs show no symptoms, so testing is the only reliable way to know your status. Confidential options are available across Allen County.
STD Trends in Allen County, 2000–2023
Reported cases per 100,000 residents each year, against the Indiana 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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Allen County vs Indiana and the US
| Infection | Allen County | Indiana | US | vs Indiana | vs US | Rank in Indiana |
|---|---|---|---|---|---|---|
| Chlamydia | 6082,399 cases | 491 | 490.7 | 23.8% above | 23.9% above | 3rd of 92 |
| Gonorrhea | 197.4779 cases | 144 | 178.2 | 37.1% above | 10.8% above | 5th of 92 |
| Syphilis (P&S) | 8.634 cases | 8.7 | 15.8 | 1.1% below | 45.6% below | 14th of 92 |
Rates per 100,000 residents, 2023. Ranks run from the highest rate (1st) among Indiana’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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