New Hampshire · Northeast

Tick risk in Coos County, New Hampshire

Coos County covers 29 towns. Its CDC Lyme rate of 30 cases per 100,000 people a year ranks in the top 14% 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 Coos County

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

At the summer peak, tick risk across Coos County runs from Second College (moderate) at the high end to Colebrook (moderate) at the low end. The difference is habitat: forest cover across the county ranges from 76% to 99%, and more forest and woodland edge means more places ticks can quest for a host.

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

Diseases found in local ticks

Lyme diseaseAnaplasmosisBabesiosis

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

Tick control in Coos County, NH

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

How much does tick control cost in Coos County?

Most Coos 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 Coos County. No cost, no obligation.

Common questions about ticks in Coos County

Which towns in Coos County have the highest tick risk?

At the summer peak, Second College carries the highest modeled tick risk in Coos County, followed by Martins, Wentworth, Randolph, Success Township. Risk tracks how wooded a town is: forest cover across Coos County ranges from 76% to 99%, and the more forest and woodland edge a town has, the more habitat ticks have to quest from. Colebrook sits at the low end. Every town has its own daily score, so check the one nearest you.

What ticks live in Coos County?

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

Coos County reports about 30 Lyme cases per 100,000 people a year (U.S. CDC), in the top 14% of U.S. counties for reported Lyme disease (the 10th-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 Coos 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.