I understand wanting deep and meaningful friendships but sometimes it is just nice to shoot the breeze with somebody and enjoy a bit of social time. And you never know, just because somebody seems "different" (out of your age group, not a mom and so on) you might find a good friend.
One of my dearest friends is a 52 year old man. He is my neighbor, I have known him for almost 13 years. You know what we have in common? We both LOVE to cook and eat food! If you look at us we seem an odd pair (I am a 35 year old caucasian woman and he is a 52 year old black man!) but who cares!? Never has there been anything between us other than friendship.
I live in a very boho type neighborhood so anything goes as far as people and friends. Most of my neighbors have dogs so that is always a good conversation starter. Sometimes it is nice just to talk to people to brighten your day and make you feel alive and viable!