Wisconsin · Midwest

Tick risk in Sauk County, Wisconsin

Sauk County covers 37 towns. Its CDC Lyme rate of 143 cases per 100,000 people a year ranks in the top 6% 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 Sauk County

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

At the summer peak, tick risk across Sauk County runs from Bear Creek (moderate) at the high end to Ironton (moderate) at the low end. The difference is habitat: forest cover across the county ranges from 17% to 64%, and more forest and woodland edge means more places ticks can quest for a host.

Bear CreekModerate risk
MerrimacModerate risk
Rock SpringsModerate risk
FreedomModerate risk
GreenfieldModerate risk

Tick species in Sauk 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 Sauk County, not that a town is tick free. Source: CDC tick surveillance (ArboNET Tick Module), 2025.

Diseases found in local ticks

Lyme diseaseAnaplasmosisBorrelia miyamotoi (relapsing fever)

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

Tick control in Sauk County, WI

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

How much does tick control cost in Sauk County?

Most Sauk 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 Sauk County. No cost, no obligation.

Common questions about ticks in Sauk County

Which towns in Sauk County have the highest tick risk?

At the summer peak, Bear Creek carries the highest modeled tick risk in Sauk County, followed by Merrimac, Rock Springs, Freedom, Greenfield. Risk tracks how wooded a town is: forest cover across Sauk County ranges from 17% to 64%, and the more forest and woodland edge a town has, the more habitat ticks have to quest from. Ironton sits at the low end. Every town has its own daily score, so check the one nearest you.

What ticks live in Sauk County?

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

Sauk County reports about 143 Lyme cases per 100,000 people a year (U.S. CDC), in the top 6% of U.S. counties for reported Lyme disease (the 40th-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 Sauk County

Tick risk is local. Pick the town nearest you.