The Centers for Disease Control table lists findings of Ixodes scapularis and Ixodes pacificus tick populations, which are known ticks capable of carrying the 'Lyme disease' bacteria, by state and county. But it can also be dangerous if you're not careful about ticks, particularly those that carry Lyme Disease.
Deer ticks are very small.
So that it is usually the tick you don't see that gives you this illness. John Wolf is a doctor with the Ohio University College of Osteopathic Medicine. He says the number of reported cases of Lyme Disease has steadily increased in recent years. The East Coast is heavy. Ohio is in the border of the high prevalence groups.