STD Rates in Ohio
CDC surveillance data for Ohio covering chlamydia, gonorrhea, syphilis, and HIV — with 15-year trends, city-level context, and national comparisons.
Ohio sits at 23rd nationally for combined STD burden — squarely in the middle of the pack, but the middle isn't the whole story. With a combined rate of 646 cases per 100,000 people, the state runs just above the national median. What makes Ohio worth a closer look isn't where it ranks today, but where two of its three major STDs have been heading over the past decade and a half.
Chlamydia is Ohio's most common STD by volume — 54,411 cases in 2023 — but the rate, 461.7 per 100,000, actually sits just below the national median of 471.3. That's a shift. Through most of the 2010s, Ohio's chlamydia rate was climbing steadily, peaking near 560 in 2019. Since then it's been pulling back, and 2023 marked a slight 0.3% year-over-year decline. The trend has plateaued rather than reversed sharply, but it's moving in a different direction than it was five years ago.
Gonorrhea is where Ohio's recent trajectory gets more complicated — and where a genuine turnaround is visible. The rate hit 262.5 per 100,000 in 2020, nearly double what it was in 2009. By 2023, it had fallen to 168.0 — a 14% drop in a single year and now just above the national median of 152.2. Syphilis tells the more sobering long-run story: the rate has risen 443% since 2008, from 3.0 to a peak of 20.4 in 2022. The 2023 figure of 16.3 per 100,000 represents a 20% single-year drop, but it remains above the national median of 14.8. A two-year peak followed by a decline is a pattern worth watching, not celebrating yet.
Ohio's HIV data runs through 2022, and the trend over those six years has been a slow, steady decline — from 982 new diagnoses in 2017 to 851 in 2022. A dip in 2020 likely reflects testing disruptions during the pandemic rather than a true drop in transmission, and diagnoses bounced back somewhat in 2021 before falling again. For anyone in Columbus, Cleveland, or Cincinnati — where STD burden tends to concentrate in larger urban counties — knowing your status is the only way to know where you actually stand. STDTest.com can help you find a testing location near you.
STD Trends in Ohio
Ohio's chlamydia rate has been on a long, slow climb — up nearly 13% since 2008 — but the past few years suggest the rise has stalled. The 2023 rate of 461.7 per 100,000 is just below the national median of 471.3, a position the state hasn't been in for most of the past decade. Whether that plateau holds or reverses is the question the next few years will answer.
Ohio's gonorrhea rate more than doubled between 2009 and 2020, reaching 262.5 per 100,000 at its peak. The drop since then has been sharp — down to 168.0 in 2023, a 14% decline in one year — but the rate still sits above the national median of 152.2. The long-run increase of 15% since 2008 masks a far steeper peak-and-decline pattern in the middle years.
Syphilis is Ohio's most striking long-run trend: a 443% increase since 2008, from a rate of 3.0 to a peak of 20.4 in 2022. The 2023 figure of 16.3 per 100,000 marks a 20% year-over-year decline, but the rate still exceeds the national median of 14.8. The two-year retreat from that peak is notable, though the rate remains more than five times what it was fifteen years ago.
Ohio's HIV data covers 2017 through 2022, and the overall direction is a gradual decline — from a rate of 10.0 per 100,000 in 2017 to 8.6 in 2022. The drop in 2020 to 8.9 is likely a product of reduced testing access during the pandemic rather than a real reduction in new infections. The modest rebound in 2021 followed by a further decline in 2022 is more consistent with the longer trend.
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Ohio vs National Average
Comparing 2023 rates against the U.S. median across all 50 states.
| Infection | Ohio | US Median | Difference |
|---|---|---|---|
| Chlamydia | 461.7 | 471.3 | 2% below |
| Gonorrhea | 168 | 152.2 | 10.4% above |
| Syphilis (P&S) | 16.3 | 14.8 | 10.1% above |
What the numbers mean — and what to do about them
Ohio's 2023 STD numbers add up to roughly 76,000 diagnoses of chlamydia, gonorrhea, and syphilis combined — about 646 cases per 100,000 residents, putting the state just above the national middle. That scale means tens of thousands of Ohioans are diagnosed each year, and a significant number more are likely infected but untested. The state's mid-table national ranking doesn't mean the numbers are small; it means they're average, and average in this context is still a meaningful burden.
The trends that matter most clinically are the ones least visible to the people affected. Gonorrhea, which more than doubled in Ohio between 2009 and 2020 before dropping sharply in the past two years, is frequently asymptomatic — particularly in women and in rectal or throat infections. Syphilis, which has risen more than 400% since 2008, can go unnoticed through its early stages and cause serious long-term damage if untreated. The recent year-over-year declines in both diseases are real, but neither rate has returned to where it was a decade ago. The infections that don't get diagnosed don't get treated — and they don't get counted.
If you live in Columbus, Cleveland, or Cincinnati, you're in the parts of Ohio where STD case volume is highest, and where access to testing is also most available. Annual testing is a reasonable baseline if you're sexually active; more frequent testing makes sense if you have new or multiple partners. Ohio's gonorrhea rate spent the better part of a decade rising before most people noticed. STDTest.com can show you where to get tested today — search by zip code to find a location near you.
WHO SHOULD GET TESTED
Anyone sexually active in Ohio should consider regular STD screening, but the case is strongest for residents of Columbus, Cleveland, and Cincinnati, where case counts are concentrated. Ohio's gonorrhea rate exceeds the national median and its syphilis rate remains above average after years of sharp increases — both diseases are frequently asymptomatic, making testing the only way to know your status.
HOW OFTEN
Once a year is a reasonable floor for sexually active adults given Ohio's above-median gonorrhea and syphilis rates. If you have multiple or new partners, testing every three to six months is more appropriate. Ohio's syphilis rate is still more than five times what it was in 2008, and the recent decline doesn't change the underlying risk landscape.
WHAT TO EXPECT
Standard STD testing involves a urine sample, a blood draw, or a swab depending on which infections are being screened — the process is quick and most results come back within a few days. Testing is confidential, and many locations in Ohio offer same-day appointments. If a result comes back positive, effective treatment is available for all three of Ohio's major reportable STDs.
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