Tick risk in Caroline County, Maryland

Caroline County covers 9 towns and carries the 14th-highest tick-borne-disease baseline of Maryland's 22 counties, with a Lyme rate of 31 cases per 100,000 people a year (103rd of 1378 counties in the South). 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 Caroline County

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

At the summer peak, tick risk across Caroline County runs from Hillsboro (moderate) at the high end to Ridgely (moderate) at the low end. The difference is habitat: forest cover across the county ranges from 21% to 58%, and more forest and woodland edge means more places ticks can quest for a host.

Tick species in Caroline County

CDC county surveillance (established or reported)

  • Deer tickEstablished
  • American dog tickEstablished
  • Lone star tickEstablished
  • Gulf Coast tickReported

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

Diseases found in local ticks

Lyme disease

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

Tick control in Caroline County, MD

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

How much does tick control cost in Caroline County?

Most Caroline 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 Caroline County. No cost, no obligation.

Common questions about ticks in Caroline County

Which towns in Caroline County have the highest tick risk?

At the summer peak, Hillsboro carries the highest modeled tick risk in Caroline County, followed by Henderson, Marydel, Federalsburg, Denton. Risk tracks how wooded a town is: forest cover across Caroline County ranges from 21% to 58%, and the more forest and woodland edge a town has, the more habitat ticks have to quest from. Ridgely sits at the low end. Every town has its own daily score, so check the one nearest you.

What ticks live in Caroline County?

CDC surveillance records 3 established tick species in Caroline 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 Caroline County?

Caroline County reports about 31 Lyme cases per 100,000 people a year (U.S. CDC), the 103rd-highest of 1378 counties in the South and the 14th-highest of Maryland's 22 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 Caroline County

Tick risk is local. Pick the town nearest you.