Pennsylvania · Northeast

Tick risk in Dauphin County, Pennsylvania

Dauphin County covers 40 towns. Its CDC Lyme rate of 70 cases per 100,000 people a year ranks in the top 12% of U.S. counties for reported Lyme disease. CDC surveillance lists Deer tick, American dog tick, and Lone star 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 Dauphin County

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

At the summer peak, tick risk across Dauphin County runs from Williams Township (high) at the high end to Berrysburg Borough (low) at the low end. The difference is habitat: forest cover across the county ranges from 5% to 98%, and more forest and woodland edge means more places ticks can quest for a host.

Williams TownshipHigh risk
Wiconisco TownshipHigh risk
Rush TownshipModerate risk
Jefferson TownshipModerate risk
Middle Paxton TownshipModerate risk

Tick species in Dauphin County

CDC county surveillance (established or reported)

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

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

Diseases found in local ticks

Lyme diseaseBabesiosisBorrelia miyamotoi (relapsing fever)Powassan virus

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

Tick control in Dauphin County, PA

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

How much does tick control cost in Dauphin County?

Most Dauphin 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 Dauphin County. No cost, no obligation.

Common questions about ticks in Dauphin County

Which towns in Dauphin County have the highest tick risk?

At the summer peak, Williams Township carries the highest modeled tick risk in Dauphin County, followed by Wiconisco Township, Rush Township, Jefferson Township, Middle Paxton Township. Risk tracks how wooded a town is: forest cover across Dauphin County ranges from 5% to 98%, and the more forest and woodland edge a town has, the more habitat ticks have to quest from. Berrysburg Borough sits at the low end. Every town has its own daily score, so check the one nearest you.

What ticks live in Dauphin County?

CDC surveillance records 3 established tick species in Dauphin County: Deer tick, American dog tick, Lone star 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 Dauphin County?

Dauphin County reports about 70 Lyme cases per 100,000 people a year (U.S. CDC), in the top 12% of U.S. counties for reported Lyme disease (the 54th-highest of Pennsylvania's 67 counties). Lyme is the dominant blacklegged-tick disease, so TickZone uses this county rate as the disease baseline behind every town's score.