Tick risk in Grayson County, Texas
Grayson County covers 16 towns. CDC reports too few cases here to publish a county Lyme rate, but each town still has a daily score built from local weather, habitat, and season. Pick your town below for today's reading.
Highest and lowest tick risk in Grayson County
Peak-season modeled risk. Tick risk is local, even within one county.
At the summer peak, tick risk across Grayson County runs from Tioga (high) at the high end to Dorchester (moderate) at the low end. The difference is habitat: forest cover across the county ranges from 12% to 52%, and more forest and woodland edge means more places ticks can quest for a host.
Tick species in Grayson County
CDC county surveillance (established or reported)
- Deer tickReported
- American dog tickReported
- Lone star tickEstablished
- Gulf Coast tickEstablished
Reported in this county for the deer tick, the main Lyme carrier. “Not established” means no CDC surveillance record for Grayson County, not that a town is tick free. Source: CDC tick surveillance (ArboNET Tick Module), 2025.
Diseases found in local ticks
No CDC tick-testing records for Grayson County. That is a surveillance gap, not a sign these diseases are absent. Lyme and other tickborne illnesses occur across the region.
Tick control in Grayson County, TX
Professional tick control across Grayson County usually means a barrier treatment along the lawn edge, leaf litter, stone walls, and shady borders where ticks wait for a host, applied two to four times a season by a licensed pest control company. It is the single most effective way to cut tick numbers in the part of the yard your family actually uses, and it matters most in Grayson County's more wooded towns.
How much does tick control cost in Grayson County?
Most Grayson County homeowners pay about $100 to $200 per visit for professional tick spraying, or roughly $350 to $600 for a full season of barrier treatments, depending on lot size and how wooded the property is. Quotes are free, so it costs nothing to get a real number for your yard.
From a vetted local tick exterminator serving Grayson County. No cost, no obligation.
Common questions about ticks in Grayson County
Which towns in Grayson County have the highest tick risk?
At the summer peak, Tioga carries the highest modeled tick risk in Grayson County, followed by Gunter, Southmayd, Pottsboro, Sadler. Risk tracks how wooded a town is: forest cover across Grayson County ranges from 12% to 52%, and the more forest and woodland edge a town has, the more habitat ticks have to quest from. Dorchester sits at the low end. Every town has its own daily score, so check the one nearest you.
What ticks live in Grayson County?
CDC surveillance records 2 established tick species in Grayson County: Lone star tick, Gulf Coast tick. The lone star tick is the tick most responsible for human bites here, and its bite causes alpha-gal syndrome; the blacklegged (deer) tick, the main Lyme carrier, is a minor factor this far south. "Not established" for a species means there is no CDC surveillance record for the county, not that the tick is absent.
Is Lyme disease common in Grayson County?
CDC reports too few cases in Grayson County to publish a stable county Lyme rate, which is common in rural or low-population counties, and typical this far south. That does not mean the risk is zero: the lone star tick, not Lyme, is the bigger local concern.
Does Grayson County have lone star ticks that cause alpha-gal syndrome?
Yes. The lone star tick is established in Grayson County and is the tick most responsible for human bites in the county. Its bite can trigger alpha-gal syndrome, a delayed allergy to red meat and other mammal products, along with ehrlichiosis and STARI. Learn the symptoms and what foods to avoid.
All towns in Grayson County
Tick risk is local. Pick the town nearest you.