I'm surrounded by 200 acres of woods, I usually treat my yard but still get a tick or two every year. I've gotten one on every part of my body, got one on my ass last year.
I spray myself with deet when I'm in the woods, me and my y brother took his dog for a walk on an old abandoned golf course and he had 11 on him. I didnt have any probably due to the spray.
Ha, we did the same thing at grammar school, there was a row of chestnuts and we'd throw sticks to knock them down and have chestnut fights, fun times until someone got hit in the eye.
There was a 2-3 inch difference in my area but there's also a 300+ feet in elevation variance. I was 14 at 715, lot of reports of 16 in the area in Connecticut and towns east of me.