Tick risk in St. Mary County, Louisiana
St. Mary County covers 5 towns. CDC reports too few cases here to publish a county Lyme rate, but each town still has a daily score built from local weather, habitat, and season. Pick your town below for today's reading.
Highest and lowest tick risk in St. Mary County
Peak-season modeled risk. Tick risk is local, even within one county.
At the summer peak, tick risk across St. Mary County runs from Berwick (low) at the high end to Baldwin (low) at the low end. The difference is habitat: forest cover across the county ranges from 25% to 55%, and more forest and woodland edge means more places ticks can quest for a host.
- BerwickLow risk
- PattersonLow risk
- FranklinLow risk
- Morgan CityLow risk
- BaldwinLow risk
Tick species in St. Mary County
CDC county surveillance (established or reported)
- Deer tickReported
- American dog tickNot established
- Lone star tickNot established
- Gulf Coast tickEstablished
Reported in this county for the deer tick, the main Lyme carrier. “Not established” means no CDC surveillance record for St. Mary 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 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 County, LA
Professional tick control across St. Mary 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 County's more wooded towns.
How much does tick control cost in St. Mary County?
Most St. Mary 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 County. No cost, no obligation.
Common questions about ticks in St. Mary County
Which towns in St. Mary County have the highest tick risk?
At the summer peak, Berwick carries the highest modeled tick risk in St. Mary County, followed by Patterson, Franklin, Morgan City, Baldwin. Risk tracks how wooded a town is: forest cover across St. Mary County ranges from 25% to 55%, and the more forest and woodland edge a town has, the more habitat ticks have to quest from. Baldwin sits at the low end. Every town has its own daily score, so check the one nearest you.
What ticks live in St. Mary County?
CDC surveillance records one established tick species in St. Mary County: Gulf Coast tick. The blacklegged (deer) tick is the main carrier of Lyme disease. "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 County?
CDC reports too few cases in St. Mary County to publish a stable county Lyme rate, which is common in rural or low-population counties, and typical this far south. That does not mean the risk is zero: the lone star tick, not Lyme, is the bigger local concern.
All towns in St. Mary County
Tick risk is local. Pick the town nearest you.