Maine · Northeast
Tick risk in Knox County, Maine
Knox County covers 18 towns. Its CDC Lyme rate of 664 cases per 100,000 people a year ranks in the top 1% of U.S. counties for reported Lyme disease. CDC surveillance lists Deer tick and American dog tick as established here. Pick your town below for today's score, a 7-day outlook, and what's driving it.
Highest and lowest tick risk in Knox County
Peak-season modeled risk. Tick risk is local, even within one county.
At the summer peak, tick risk across Knox County runs from Camden (high) at the high end to Matinicus Isle (high) at the low end. The difference is habitat: forest cover across the county ranges from 50% to 92%, and more forest and woodland edge means more places ticks can quest for a host.
- CamdenHigh risk
- Isle au HautHigh risk
- VinalhavenHigh risk
- WashingtonHigh risk
- St. GeorgeHigh risk
Tick species in Knox County
CDC county surveillance (established or reported)
- Deer tickEstablished
- American dog tickEstablished
- Lone star tickReported
- Gulf Coast tickNot established
Established in this county for the deer tick, the main Lyme carrier. “Not established” means no CDC surveillance record for Knox County, not that a town is tick free. Source: CDC tick surveillance (ArboNET Tick Module), 2025.
Diseases found in local ticks
Pathogens detected in ticks tested from Knox County (CDC tick-testing surveillance, 2025). This lists what has been found, not how common it is.
Tick control in Knox County, ME
Professional tick control across Knox 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 Knox County's more wooded towns.
How much does tick control cost in Knox County?
Most Knox 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 Knox County. No cost, no obligation.
Common questions about ticks in Knox County
Which towns in Knox County have the highest tick risk?
At the summer peak, Camden carries the highest modeled tick risk in Knox County, followed by Isle au Haut, Vinalhaven, Washington, St. George. Risk tracks how wooded a town is: forest cover across Knox County ranges from 50% to 92%, and the more forest and woodland edge a town has, the more habitat ticks have to quest from. Matinicus Isle sits at the low end. Every town has its own daily score, so check the one nearest you.
What ticks live in Knox County?
CDC surveillance records 2 established tick species in Knox County: Deer tick, American dog tick. The blacklegged (deer) tick is the main carrier of Lyme disease in the Northeast. "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 Knox County?
Knox County reports about 664 Lyme cases per 100,000 people a year (U.S. CDC), in the top 1% of U.S. counties for reported Lyme disease (the 1st-highest of Maine's 16 counties). Lyme is the dominant blacklegged-tick disease, so TickZone uses this county rate as the disease baseline behind every town's score.
All towns in Knox County
Tick risk is local. Pick the town nearest you.