Pennsylvania · Northeast

Tick risk in York County, Pennsylvania

York County covers 72 towns. Its CDC Lyme rate of 109 cases per 100,000 people a year ranks in the top 9% of U.S. counties for reported Lyme disease. CDC surveillance lists Deer tick and American dog 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 York County

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

At the summer peak, tick risk across York County runs from Delta Borough (moderate) at the high end to West York Borough (low) at the low end. The difference is habitat: forest cover across the county ranges from 8% to 70%, and more forest and woodland edge means more places ticks can quest for a host.

Delta BoroughModerate risk
York Haven BoroughModerate risk
Glen Rock BoroughModerate risk
Newberry TownshipModerate risk
Warrington TownshipModerate risk

Tick species in York County

CDC county surveillance (established or reported)

Deer tickEstablished
American dog tickEstablished
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 York 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 York County (CDC tick-testing surveillance, 2025). This lists what has been found, not how common it is.

Tick control in York County, PA

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

How much does tick control cost in York County?

Most York 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 York County. No cost, no obligation.

Common questions about ticks in York County

Which towns in York County have the highest tick risk?

At the summer peak, Delta Borough carries the highest modeled tick risk in York County, followed by York Haven Borough, Glen Rock Borough, Newberry Township, Warrington Township. Risk tracks how wooded a town is: forest cover across York County ranges from 8% to 70%, and the more forest and woodland edge a town has, the more habitat ticks have to quest from. West York Borough sits at the low end. Every town has its own daily score, so check the one nearest you.

What ticks live in York County?

CDC surveillance records 2 established tick species in York County: Deer tick, American dog 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 York County?

York County reports about 109 Lyme cases per 100,000 people a year (U.S. CDC), in the top 9% of U.S. counties for reported Lyme disease (the 42nd-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 York County

Tick risk is local. Pick the town nearest you.