STD Rates in Allen County, Ohio

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

Data Year: 2023 Source: CDC STI Surveillance Population: 100,832
Combined
725
per 100K
7th / 88
Chlamydia
601
per 100K • 606 cases
US rate: 490.7
6th of 88 in Ohio
Higher than 85% of US counties
Gonorrhea
107.1
per 100K • 108 cases
US rate: 178.2
14th of 88 in Ohio
Higher than 67% of US counties
Syphilis P&S
16.9
per 100K • 17 cases
Based on 17 cases — interpret with care
US rate: 15.8

Allen County has one of the higher STD burdens in Ohio, with a combined rate of 725.0 per 100,000 residents in 2023 — ranking 7th of 88 counties. Reported infections included chlamydia at 601.0 per 100,000 (606 cases, 30% above the state rate), gonorrhea at 107.1 per 100,000 (108 cases, 36% below the state rate), syphilis at 16.9 per 100,000 (17 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 Allen County.

STD Trends in Allen County, 2000–2023

Reported cases per 100,000 residents each year, against the Ohio 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
601.0
per 100K in 2023
308.6 in 2000
Peak 690.8 in 2020
Gonorrhea
107.1
per 100K in 2023
176.9 in 2000
Peak 301.6 in 2022
Syphilis (P&S)
16.9
per 100K in 2023
0.9 in 2000
Peak 23.7 in 2022

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

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Allen County vs Ohio and the US

Infection Allen County Ohio US vs Ohio vs US Rank in Ohio
Chlamydia 601606 cases 461.7 490.7 30.2% above 22.5% above 6th of 88
Gonorrhea 107.1108 cases 168 178.2 36.3% below 39.9% below 14th of 88
Syphilis (P&S) 16.917 cases 16.3 15.8 Too few cases Too few cases –

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

Allen County ranks 7th of 88 Ohio counties for combined STD rate in 2023, at 725.0 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Allen County, with 606 cases at a rate of 601.0 per 100,000 residents.
STDTest.com lists confidential testing locations across Allen County and Ohio. 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.