Pennsylvania · Northeast

Tick risk in Mercer County, Pennsylvania

Mercer County covers 48 towns. Its CDC Lyme rate of 129 cases per 100,000 people a year ranks in the top 8% 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 Mercer County

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

At the summer peak, tick risk across Mercer County runs from Sandy Lake Township (moderate) at the high end to Farrell (moderate) at the low end. The difference is habitat: forest cover across the county ranges from 26% to 80%, and more forest and woodland edge means more places ticks can quest for a host.

Sandy Lake TownshipModerate risk
Stoneboro BoroughModerate risk
Jackson Center BoroughModerate risk
French Creek TownshipModerate risk
Sugar Grove TownshipModerate risk

Tick species in Mercer 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 Mercer 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 Mercer County (CDC tick-testing surveillance, 2025). This lists what has been found, not how common it is.

Tick control in Mercer County, PA

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

How much does tick control cost in Mercer County?

Most Mercer 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 Mercer County. No cost, no obligation.

Common questions about ticks in Mercer County

Which towns in Mercer County have the highest tick risk?

At the summer peak, Sandy Lake Township carries the highest modeled tick risk in Mercer County, followed by Stoneboro Borough, Jackson Center Borough, French Creek Township, Sugar Grove Township. Risk tracks how wooded a town is: forest cover across Mercer County ranges from 26% to 80%, and the more forest and woodland edge a town has, the more habitat ticks have to quest from. Farrell sits at the low end. Every town has its own daily score, so check the one nearest you.

What ticks live in Mercer County?

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

Mercer County reports about 129 Lyme cases per 100,000 people a year (U.S. CDC), in the top 8% of U.S. counties for reported Lyme disease (the 35th-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.

All towns in Mercer County

Tick risk is local. Pick the town nearest you.