Wisconsin · Midwest

Tick risk in Portage County, Wisconsin

Portage County covers 27 towns. Its CDC Lyme rate of 195 cases per 100,000 people a year ranks in the top 5% 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 Portage County

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

At the summer peak, tick risk across Portage County runs from Linwood (moderate) at the high end to Pine Grove (moderate) at the low end. The difference is habitat: forest cover across the county ranges from 18% to 67%, and more forest and woodland edge means more places ticks can quest for a host.

Tick species in Portage County

CDC county surveillance (established or reported)

  • Deer tickEstablished
  • American dog tickReported
  • Lone star tickNot established
  • Gulf Coast tickNot established

Established in this county for the deer tick, the main Lyme carrier. “Not established” means no CDC surveillance record for Portage County, not that a town is tick free. Source: CDC tick surveillance (ArboNET Tick Module), 2025.

Diseases found in local ticks

Lyme diseaseBorrelia miyamotoi (relapsing fever)

Pathogens detected in ticks tested from Portage County (CDC tick-testing surveillance, 2025). This lists what has been found, not how common it is.

Tick control in Portage County, WI

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

How much does tick control cost in Portage County?

Most Portage 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 Portage County. No cost, no obligation.

Common questions about ticks in Portage County

Which towns in Portage County have the highest tick risk?

At the summer peak, Linwood carries the highest modeled tick risk in Portage County, followed by Hull, Park Ridge, Dewey, New Hope. Risk tracks how wooded a town is: forest cover across Portage County ranges from 18% to 67%, and the more forest and woodland edge a town has, the more habitat ticks have to quest from. Pine Grove sits at the low end. Every town has its own daily score, so check the one nearest you.

What ticks live in Portage County?

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

Portage County reports about 195 Lyme cases per 100,000 people a year (U.S. CDC), in the top 5% of U.S. counties for reported Lyme disease (the 29th-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 Portage County

Tick risk is local. Pick the town nearest you.

Tick risk where you live

Tick activity is local and changes daily. Pick your state for tick season dates, the species that live there, and a daily tick-risk score for every town.