Tick risk in Delaware County, Iowa
Delaware County covers 11 towns and carries the 2nd-highest tick-borne-disease baseline of Iowa's 99 counties, with a Lyme rate of 28 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 Delaware County
Peak-season modeled risk. Tick risk is local, even within one county.
At the summer peak, tick risk across Delaware County runs from Dundee (moderate) at the high end to Ryan (low) at the low end. The difference is habitat: forest cover across the county ranges from 9% to 43%, and more forest and woodland edge means more places ticks can quest for a host.
- DundeeModerate risk
- HopkintonModerate risk
- EarlvilleLow risk
- MasonvilleLow risk
- ManchesterLow risk
Tick species in Delaware 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 Delaware 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 Delaware 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 Delaware County, IA
Professional tick control across Delaware 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 Delaware County's more wooded towns.
How much does tick control cost in Delaware County?
Most Delaware 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 Delaware County. No cost, no obligation.
Common questions about ticks in Delaware County
Which towns in Delaware County have the highest tick risk?
At the summer peak, Dundee carries the highest modeled tick risk in Delaware County, followed by Hopkinton, Earlville, Masonville, Manchester. Risk tracks how wooded a town is: forest cover across Delaware County ranges from 9% to 43%, and the more forest and woodland edge a town has, the more habitat ticks have to quest from. Ryan sits at the low end. Every town has its own daily score, so check the one nearest you.
What ticks live in Delaware County?
CDC surveillance records 2 established tick species in Delaware 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 Delaware County?
Delaware County reports about 28 Lyme cases per 100,000 people a year (U.S. CDC), the 0th-highest of 0 counties in the Midwest and the 2nd-highest of Iowa's 99 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 Delaware County
Tick risk is local. Pick the town nearest you.