Interactive Tool
Blacklegged Ticks in Ohio, County by County
The Ohio Department of Health publishes a blacklegged tick distribution map, most recently dated July 16, 2026. It shows established blacklegged tick populations in 12 of the 14 counties we serve.
"Established" means a reproducing, self-sustaining population — not a tick that hitched a ride in on a deer.
Click a county to see its tick status. Counties in red-orange have established populations; counties in amber show reported detections only.
Richland
Huron
Erie
Seneca
Sandusky
Wyandot
Knox
Richland County
• Established
The Ohio Department of Health's July 2026 distribution map shows an established blacklegged tick population here — meaning a reproducing, self-sustaining population.
Blacklegged ticks don't live in the middle of a mowed, sunny lawn. They live in the leaf-litter edge where lawn meets woods or fencerow, in tall grass and brush borders, in ground cover, and around woodpiles and stone walls that hold mice. That's why edge treatment works and blanket-spraying an open yard doesn't.
Ohio tick season isn't really a season. Per OSU Extension, one or more life stages may be active during every month of the year, depending on temperature — though ODH case data peaks in July and August.
We're a pest control company, not a medical provider. If you've been bitten and feel unwell or develop a rash, call your doctor. Our job is reducing the ticks in the yard your kids play in.
Huron County
• Established
The Ohio Department of Health's July 2026 distribution map shows an established blacklegged tick population here — meaning a reproducing, self-sustaining population.
Blacklegged ticks don't live in the middle of a mowed, sunny lawn. They live in the leaf-litter edge where lawn meets woods or fencerow, in tall grass and brush borders, in ground cover, and around woodpiles and stone walls that hold mice. That's why edge treatment works and blanket-spraying an open yard doesn't.
Ohio tick season isn't really a season. Per OSU Extension, one or more life stages may be active during every month of the year, depending on temperature — though ODH case data peaks in July and August.
We're a pest control company, not a medical provider. If you've been bitten and feel unwell or develop a rash, call your doctor. Our job is reducing the ticks in the yard your kids play in.
Erie County
• Established
The Ohio Department of Health's July 2026 distribution map shows an established blacklegged tick population here — meaning a reproducing, self-sustaining population.
Blacklegged ticks don't live in the middle of a mowed, sunny lawn. They live in the leaf-litter edge where lawn meets woods or fencerow, in tall grass and brush borders, in ground cover, and around woodpiles and stone walls that hold mice. That's why edge treatment works and blanket-spraying an open yard doesn't.
Ohio tick season isn't really a season. Per OSU Extension, one or more life stages may be active during every month of the year, depending on temperature — though ODH case data peaks in July and August.
We're a pest control company, not a medical provider. If you've been bitten and feel unwell or develop a rash, call your doctor. Our job is reducing the ticks in the yard your kids play in.
Seneca County
• Established
The Ohio Department of Health's July 2026 distribution map shows an established blacklegged tick population here — meaning a reproducing, self-sustaining population.
Blacklegged ticks don't live in the middle of a mowed, sunny lawn. They live in the leaf-litter edge where lawn meets woods or fencerow, in tall grass and brush borders, in ground cover, and around woodpiles and stone walls that hold mice. That's why edge treatment works and blanket-spraying an open yard doesn't.
Ohio tick season isn't really a season. Per OSU Extension, one or more life stages may be active during every month of the year, depending on temperature — though ODH case data peaks in July and August.
We're a pest control company, not a medical provider. If you've been bitten and feel unwell or develop a rash, call your doctor. Our job is reducing the ticks in the yard your kids play in.
Sandusky County
• Established
The Ohio Department of Health's July 2026 distribution map shows an established blacklegged tick population here — meaning a reproducing, self-sustaining population.
Blacklegged ticks don't live in the middle of a mowed, sunny lawn. They live in the leaf-litter edge where lawn meets woods or fencerow, in tall grass and brush borders, in ground cover, and around woodpiles and stone walls that hold mice. That's why edge treatment works and blanket-spraying an open yard doesn't.
Ohio tick season isn't really a season. Per OSU Extension, one or more life stages may be active during every month of the year, depending on temperature — though ODH case data peaks in July and August.
We're a pest control company, not a medical provider. If you've been bitten and feel unwell or develop a rash, call your doctor. Our job is reducing the ticks in the yard your kids play in.
Wyandot County
• Established
The Ohio Department of Health's July 2026 distribution map shows an established blacklegged tick population here — meaning a reproducing, self-sustaining population.
Blacklegged ticks don't live in the middle of a mowed, sunny lawn. They live in the leaf-litter edge where lawn meets woods or fencerow, in tall grass and brush borders, in ground cover, and around woodpiles and stone walls that hold mice. That's why edge treatment works and blanket-spraying an open yard doesn't.
Ohio tick season isn't really a season. Per OSU Extension, one or more life stages may be active during every month of the year, depending on temperature — though ODH case data peaks in July and August.
We're a pest control company, not a medical provider. If you've been bitten and feel unwell or develop a rash, call your doctor. Our job is reducing the ticks in the yard your kids play in.
Knox County
• Established
The Ohio Department of Health's July 2026 distribution map shows an established blacklegged tick population here — meaning a reproducing, self-sustaining population.
Blacklegged ticks don't live in the middle of a mowed, sunny lawn. They live in the leaf-litter edge where lawn meets woods or fencerow, in tall grass and brush borders, in ground cover, and around woodpiles and stone walls that hold mice. That's why edge treatment works and blanket-spraying an open yard doesn't.
Ohio tick season isn't really a season. Per OSU Extension, one or more life stages may be active during every month of the year, depending on temperature — though ODH case data peaks in July and August.
We're a pest control company, not a medical provider. If you've been bitten and feel unwell or develop a rash, call your doctor. Our job is reducing the ticks in the yard your kids play in.
Wayne
Stark
Summit
Medina
Lorain
Crawford
Marion
Wayne County
• Established
The Ohio Department of Health's July 2026 distribution map shows an established blacklegged tick population here — meaning a reproducing, self-sustaining population.
Asian Longhorned Tick
Wayne County also has an established Asian longhorned tick population. Females reproduce without mating and a single one can lay up to 2,000 eggs, which is how a population explodes on one property. It's primarily a livestock threat — OSU Extension notes it has not yet been linked to human disease cases in the United States.
Blacklegged ticks don't live in the middle of a mowed, sunny lawn. They live in the leaf-litter edge where lawn meets woods or fencerow, in tall grass and brush borders, in ground cover, and around woodpiles and stone walls that hold mice. That's why edge treatment works and blanket-spraying an open yard doesn't.
Ohio tick season isn't really a season. Per OSU Extension, one or more life stages may be active during every month of the year, depending on temperature — though ODH case data peaks in July and August.
We're a pest control company, not a medical provider. If you've been bitten and feel unwell or develop a rash, call your doctor. Our job is reducing the ticks in the yard your kids play in.
Stark County
• Established
The Ohio Department of Health's July 2026 distribution map shows an established blacklegged tick population here — meaning a reproducing, self-sustaining population.
Blacklegged ticks don't live in the middle of a mowed, sunny lawn. They live in the leaf-litter edge where lawn meets woods or fencerow, in tall grass and brush borders, in ground cover, and around woodpiles and stone walls that hold mice. That's why edge treatment works and blanket-spraying an open yard doesn't.
Ohio tick season isn't really a season. Per OSU Extension, one or more life stages may be active during every month of the year, depending on temperature — though ODH case data peaks in July and August.
We're a pest control company, not a medical provider. If you've been bitten and feel unwell or develop a rash, call your doctor. Our job is reducing the ticks in the yard your kids play in.
Summit County
• Established
The Ohio Department of Health's July 2026 distribution map shows an established blacklegged tick population here — meaning a reproducing, self-sustaining population.
Blacklegged ticks don't live in the middle of a mowed, sunny lawn. They live in the leaf-litter edge where lawn meets woods or fencerow, in tall grass and brush borders, in ground cover, and around woodpiles and stone walls that hold mice. That's why edge treatment works and blanket-spraying an open yard doesn't.
Ohio tick season isn't really a season. Per OSU Extension, one or more life stages may be active during every month of the year, depending on temperature — though ODH case data peaks in July and August.
We're a pest control company, not a medical provider. If you've been bitten and feel unwell or develop a rash, call your doctor. Our job is reducing the ticks in the yard your kids play in.
Medina County
• Established
The Ohio Department of Health's July 2026 distribution map shows an established blacklegged tick population here — meaning a reproducing, self-sustaining population.
Blacklegged ticks don't live in the middle of a mowed, sunny lawn. They live in the leaf-litter edge where lawn meets woods or fencerow, in tall grass and brush borders, in ground cover, and around woodpiles and stone walls that hold mice. That's why edge treatment works and blanket-spraying an open yard doesn't.
Ohio tick season isn't really a season. Per OSU Extension, one or more life stages may be active during every month of the year, depending on temperature — though ODH case data peaks in July and August.
We're a pest control company, not a medical provider. If you've been bitten and feel unwell or develop a rash, call your doctor. Our job is reducing the ticks in the yard your kids play in.
Lorain County
• Established
The Ohio Department of Health's July 2026 distribution map shows an established blacklegged tick population here — meaning a reproducing, self-sustaining population.
Blacklegged ticks don't live in the middle of a mowed, sunny lawn. They live in the leaf-litter edge where lawn meets woods or fencerow, in tall grass and brush borders, in ground cover, and around woodpiles and stone walls that hold mice. That's why edge treatment works and blanket-spraying an open yard doesn't.
Ohio tick season isn't really a season. Per OSU Extension, one or more life stages may be active during every month of the year, depending on temperature — though ODH case data peaks in July and August.
We're a pest control company, not a medical provider. If you've been bitten and feel unwell or develop a rash, call your doctor. Our job is reducing the ticks in the yard your kids play in.
Crawford County
• Reported Detections
ODH shows reported detections only in Crawford County, not an established population. That's a genuinely lower level of pressure than neighbouring counties, and we're not going to overstate it.
Blacklegged ticks don't live in the middle of a mowed, sunny lawn. They live in the leaf-litter edge where lawn meets woods or fencerow, in tall grass and brush borders, in ground cover, and around woodpiles and stone walls that hold mice. That's why edge treatment works and blanket-spraying an open yard doesn't.
Ohio tick season isn't really a season. Per OSU Extension, one or more life stages may be active during every month of the year, depending on temperature — though ODH case data peaks in July and August.
We're a pest control company, not a medical provider. If you've been bitten and feel unwell or develop a rash, call your doctor. Our job is reducing the ticks in the yard your kids play in.
Marion County
• Reported Detections
ODH shows reported detections only in Marion County, not an established population. That's a genuinely lower level of pressure than neighbouring counties, and we're not going to overstate it.
Blacklegged ticks don't live in the middle of a mowed, sunny lawn. They live in the leaf-litter edge where lawn meets woods or fencerow, in tall grass and brush borders, in ground cover, and around woodpiles and stone walls that hold mice. That's why edge treatment works and blanket-spraying an open yard doesn't.
Ohio tick season isn't really a season. Per OSU Extension, one or more life stages may be active during every month of the year, depending on temperature — though ODH case data peaks in July and August.
We're a pest control company, not a medical provider. If you've been bitten and feel unwell or develop a rash, call your doctor. Our job is reducing the ticks in the yard your kids play in.
Ohio Lyme disease cases, Ohio Department of Health
40
2010
415
2020
~2,800
2025
ODH attributes the rise to warmer temperatures, higher humidity, shorter winter cold periods, forest regrowth, and residential expansion into deer and rodent habitat.
A rash appears 3 to 30 days after a bite, and about 30% of confirmed cases never develop one at all. Children ages 5 to 9 show high infection rates. (Ohio Dept. of Health)
Property changes that genuinely help: a three-foot wood chip or gravel barrier between lawn and brush, grass kept short, leaf litter cleared, woodpiles stacked off the ground in the sun, playsets moved away from the brush line.
FAQ
Tick questions, straight answers
Are there really ticks in my county?
If you live in one of the twelve established counties — Richland, Huron, Erie, Seneca, Sandusky, Wyandot, Knox, Wayne, Stark, Summit, Medina, or Lorain — the Ohio Department of Health's July 2026 distribution map shows a reproducing, self-sustaining blacklegged tick population. Crawford and Marion show reported detections only, which is a genuinely lower level of pressure.
When is tick season in Ohio?
Ohio tick season isn't really a season. Per OSU Extension, one or more life stages may be active during every month of the year, depending on temperature — though ODH case data peaks in July and August. Adult blacklegged ticks stay active into winter whenever it's above freezing.
Does my whole yard need treating?
No. Blacklegged ticks don't live in the middle of a mowed, sunny lawn. They live in the leaf-litter edge where lawn meets woods or fencerow, in tall grass and brush borders, in ground cover, and around woodpiles and stone walls that hold mice. That's why edge treatment works and blanket-spraying an open yard doesn't.
Is tick treatment safe around dogs and kids?
Yes. We use pet-friendly and kid-friendly treatment options as the default, not an upgrade. We focus on the brush and woods edge where ticks actually live, not the open lawn where your kids play.
How do I remove a tick?
Use fine-tipped tweezers, grasp the tick close to the skin, and pull with steady even pressure. Don't twist, don't use heat, and don't use petroleum jelly. Then see a doctor if symptoms develop — a rash appears 3 to 30 days after a bite, and about 30% of confirmed cases never develop one at all.
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Sources
Ohio Department of Health blacklegged tick and Asian longhorned tick distribution maps, July 16, 2026; ODH Lyme disease case data; OSU Extension ENT-0096; OSU Extension VME-1035.
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