Wisconsin · Midwest

Tick risk in Waukesha County, Wisconsin

Waukesha County covers 37 towns. Its CDC Lyme rate of 66 cases per 100,000 people a year ranks in the top 10% 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 Waukesha County

Peak-season modeled risk. Tick risk is local, even within one county.

At the summer peak, tick risk across Waukesha County runs from Oconomowoc Lake (moderate) at the high end to Mukwonago (moderate) at the low end. The difference is habitat: forest cover across the county ranges from 26% to 74%, and more forest and woodland edge means more places ticks can quest for a host.

Oconomowoc LakeModerate risk
Elm GroveModerate risk
ChenequaModerate risk
DelafieldModerate risk
Lac La BelleModerate risk

Tick species in Waukesha County

CDC county surveillance (established or reported)

Deer tickEstablished
American dog tickReported
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 Waukesha 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 Waukesha 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 Waukesha County, WI

Professional tick control across Waukesha 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 Waukesha County's more wooded towns.

How much does tick control cost in Waukesha County?

Most Waukesha 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.

Get a free tick control quote

From a vetted local tick exterminator serving Waukesha County. No cost, no obligation.

Common questions about ticks in Waukesha County

Which towns in Waukesha County have the highest tick risk?

At the summer peak, Oconomowoc Lake carries the highest modeled tick risk in Waukesha County, followed by Elm Grove, Chenequa, Delafield, Lac La Belle. Risk tracks how wooded a town is: forest cover across Waukesha County ranges from 26% to 74%, and the more forest and woodland edge a town has, the more habitat ticks have to quest from. Mukwonago sits at the low end. Every town has its own daily score, so check the one nearest you.

What ticks live in Waukesha County?

CDC surveillance records one established tick species in Waukesha 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 Waukesha County?

Waukesha County reports about 66 Lyme cases per 100,000 people a year (U.S. CDC), in the top 10% of U.S. counties for reported Lyme disease (the 54th-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 Waukesha County

Tick risk is local. Pick the town nearest you.