Maryland · South
Tick risk in St. Mary's County, Maryland
St. Mary's County covers 8 towns. Its CDC Lyme rate of 43 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, 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 St. Mary's County
Peak-season modeled risk. Tick risk is local, even within one county.
At the summer peak, tick risk across St. Mary's County runs from Golden Beach (moderate) at the high end to Charlotte Hall (moderate) at the low end. The difference is habitat: forest cover across the county ranges from 46% to 87%, and more forest and woodland edge means more places ticks can quest for a host.
- Golden BeachModerate risk
- WildewoodModerate risk
- Lexington ParkModerate risk
- CaliforniaModerate risk
- CallawayModerate risk
Tick species in St. Mary's County
CDC county surveillance (established or reported)
- Deer tickEstablished
- American dog tickEstablished
- Lone star tickEstablished
- Gulf Coast tickNot established
Established in this county for the deer tick, the main Lyme carrier. “Not established” means no CDC surveillance record for St. Mary's County, not that a town is tick free. Source: CDC tick surveillance (ArboNET Tick Module), 2025.
Diseases found in local ticks
No CDC tick-testing records for St. Mary's County. That is a surveillance gap, not a sign these diseases are absent. Lyme and other tickborne illnesses occur across the region.
Tick control in St. Mary's County, MD
Professional tick control across St. Mary's 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 St. Mary's County's more wooded towns.
How much does tick control cost in St. Mary's County?
Most St. Mary's 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.
From a vetted local tick exterminator serving St. Mary's County. No cost, no obligation.
Common questions about ticks in St. Mary's County
Which towns in St. Mary's County have the highest tick risk?
At the summer peak, Golden Beach carries the highest modeled tick risk in St. Mary's County, followed by Wildewood, Lexington Park, California, Callaway. Risk tracks how wooded a town is: forest cover across St. Mary's County ranges from 46% to 87%, and the more forest and woodland edge a town has, the more habitat ticks have to quest from. Charlotte Hall sits at the low end. Every town has its own daily score, so check the one nearest you.
What ticks live in St. Mary's County?
CDC surveillance records 3 established tick species in St. Mary's 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 St. Mary's County?
St. Mary's County reports about 43 Lyme cases per 100,000 people a year (U.S. CDC), in the top 14% of U.S. counties for reported Lyme disease (the 12th-highest of Maryland's 24 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 St. Mary's County
Tick risk is local. Pick the town nearest you.