Michigan · Midwest
Tick risk in Washtenaw County, Michigan
Washtenaw County covers 28 towns. Its CDC Lyme rate of 32 cases per 100,000 people a year ranks in the top 15% 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 Washtenaw County
Peak-season modeled risk. Tick risk is local, even within one county.
At the summer peak, tick risk across Washtenaw County runs from Barton Hills (moderate) at the high end to Saline (low) at the low end. The difference is habitat: forest cover across the county ranges from 20% to 85%, and more forest and woodland edge means more places ticks can quest for a host.
- Barton HillsModerate risk
- LyndonModerate risk
- Ann ArborModerate risk
- ManchesterModerate risk
- DexterModerate risk
Tick species in Washtenaw 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 Washtenaw County, not that a town is tick free. Source: CDC tick surveillance (ArboNET Tick Module), 2025.
Diseases found in local ticks
Pathogens detected in ticks tested from Washtenaw County (CDC tick-testing surveillance, 2025). This lists what has been found, not how common it is.
Tick control in Washtenaw County, MI
Professional tick control across Washtenaw 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 Washtenaw County's more wooded towns.
How much does tick control cost in Washtenaw County?
Most Washtenaw 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 Washtenaw County. No cost, no obligation.
Common questions about ticks in Washtenaw County
Which towns in Washtenaw County have the highest tick risk?
At the summer peak, Barton Hills carries the highest modeled tick risk in Washtenaw County, followed by Lyndon, Ann Arbor, Manchester, Dexter. Risk tracks how wooded a town is: forest cover across Washtenaw County ranges from 20% to 85%, and the more forest and woodland edge a town has, the more habitat ticks have to quest from. Saline sits at the low end. Every town has its own daily score, so check the one nearest you.
What ticks live in Washtenaw County?
CDC surveillance records 2 established tick species in Washtenaw 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 Washtenaw County?
Washtenaw County reports about 32 Lyme cases per 100,000 people a year (U.S. CDC), in the top 15% of U.S. counties for reported Lyme disease (the 17th-highest of Michigan's 83 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 Washtenaw County
Tick risk is local. Pick the town nearest you.