Wisconsin · Midwest
Tick risk in Door County, Wisconsin
Door County covers 19 towns. Its CDC Lyme rate of 208 cases per 100,000 people a year ranks in the top 4% of U.S. counties for reported Lyme disease. CDC surveillance lists Deer 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 Door County
Peak-season modeled risk. Tick risk is local, even within one county.
At the summer peak, tick risk across Door County runs from Liberty Grove (high) at the high end to Brussels (moderate) at the low end. The difference is habitat: forest cover across the county ranges from 26% to 93%, and more forest and woodland edge means more places ticks can quest for a host.
- Liberty GroveHigh risk
- EphraimHigh risk
- GibraltarHigh risk
- WashingtonHigh risk
- Baileys HarborHigh risk
Tick species in Door County
CDC county surveillance (established or reported)
- Deer tickEstablished
- American dog tickNot established
- 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 Door 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 Door 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 Door County, WI
Professional tick control across Door 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 Door County's more wooded towns.
How much does tick control cost in Door County?
Most Door 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 Door County. No cost, no obligation.
Common questions about ticks in Door County
Which towns in Door County have the highest tick risk?
At the summer peak, Liberty Grove carries the highest modeled tick risk in Door County, followed by Ephraim, Gibraltar, Washington, Baileys Harbor. Risk tracks how wooded a town is: forest cover across Door County ranges from 26% to 93%, and the more forest and woodland edge a town has, the more habitat ticks have to quest from. Brussels sits at the low end. Every town has its own daily score, so check the one nearest you.
What ticks live in Door County?
CDC surveillance records one established tick species in Door County: Deer 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 Door County?
Door County reports about 208 Lyme cases per 100,000 people a year (U.S. CDC), in the top 4% of U.S. counties for reported Lyme disease (the 24th-highest of Wisconsin's 72 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 Door County
Tick risk is local. Pick the town nearest you.