TickZone

Tick risk in St. Joseph County, Indiana

St. Joseph County covers 9 towns and carries the 5th-highest tick-borne-disease baseline of Indiana's 92 counties, with a Lyme rate of 7 cases per 100,000 people a year (0th of 0 counties in the Midwest). 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 St. Joseph County

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

At the summer peak, tick risk across St. Joseph County runs from Indian Village (moderate) at the high end to New Carlisle (low) at the low end. The difference is habitat: forest cover across the county ranges from 24% to 82%, and more forest and woodland edge means more places ticks can quest for a host.

Tick species in St. Joseph County

CDC county surveillance (established or reported)

  • Deer tickEstablished
  • American dog tickEstablished
  • Lone star tickReported
  • 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. Joseph 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. Joseph 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. Joseph County, IN

Professional tick control across St. Joseph 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. Joseph County's more wooded towns.

How much does tick control cost in St. Joseph County?

Most St. Joseph 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.

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From a vetted local tick exterminator serving St. Joseph County. No cost, no obligation.

Common questions about ticks in St. Joseph County

Which towns in St. Joseph County have the highest tick risk?

At the summer peak, Indian Village carries the highest modeled tick risk in St. Joseph County, followed by Osceola, Roseland, Walkerton, North Liberty. Risk tracks how wooded a town is: forest cover across St. Joseph County ranges from 24% to 82%, and the more forest and woodland edge a town has, the more habitat ticks have to quest from. New Carlisle sits at the low end. Every town has its own daily score, so check the one nearest you.

What ticks live in St. Joseph County?

CDC surveillance records 2 established tick species in St. Joseph 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 St. Joseph County?

St. Joseph County reports about 7 Lyme cases per 100,000 people a year (U.S. CDC), the 0th-highest of 0 counties in the Midwest and the 5th-highest of Indiana's 92 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. Joseph County

Tick risk is local. Pick the town nearest you.