New Hampshire · Northeast

Tick risk in Hillsborough County, New Hampshire

Hillsborough County covers 31 towns. Its CDC Lyme rate of 86 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 Hillsborough County

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

At the summer peak, tick risk across Hillsborough County runs from Windsor (moderate) at the high end to Manchester (moderate) at the low end. The difference is habitat: forest cover across the county ranges from 53% to 96%, and more forest and woodland edge means more places ticks can quest for a host.

Tick species in Hillsborough County

CDC county surveillance (established or reported)

  • Deer tickEstablished
  • American dog tickEstablished
  • 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 Hillsborough County, not that a town is tick free. Source: CDC tick surveillance (ArboNET Tick Module), 2025.

Diseases found in local ticks

Lyme diseaseAnaplasmosisBabesiosisBorrelia miyamotoi (relapsing fever)

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

Tick control in Hillsborough County, NH

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

How much does tick control cost in Hillsborough County?

Most Hillsborough 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 Hillsborough County. No cost, no obligation.

Common questions about ticks in Hillsborough County

Which towns in Hillsborough County have the highest tick risk?

At the summer peak, Windsor carries the highest modeled tick risk in Hillsborough County, followed by Sharon, Mason, Antrim, Brookline. Risk tracks how wooded a town is: forest cover across Hillsborough County ranges from 53% to 96%, and the more forest and woodland edge a town has, the more habitat ticks have to quest from. Manchester sits at the low end. Every town has its own daily score, so check the one nearest you.

What ticks live in Hillsborough County?

CDC surveillance records 2 established tick species in Hillsborough 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 Hillsborough County?

Hillsborough County reports about 86 Lyme cases per 100,000 people a year (U.S. CDC), in the top 9% of U.S. counties for reported Lyme disease (the 6th-highest of New Hampshire's 10 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 Hillsborough 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.