I am certainly no pro on aging deer.
First I love all the fun the OP has been having. No better way to enjoy the fall. I've just returned from Wyoming and my Son's and I all scored on Mule Deer doing spot and stalk.
On this whitetail though, I am with RAH on the age. Well, from the photo given I'm with RAH. I don't see the Roman nose I see on our older bucks and the photo doesn't really show the gut and sway back that some say it has. From just the photo shown, I'd say 2.5 year old buck but the teeth would know better. The problem is, you can't even count on the teeth when aging a deer. This buck also looks a bit "bright faced" to me. No matter though, nice animal and good times taking it!