I've, for the most part, dated only older guys. I think the reason for this is that my brother's older and I have the tendency to tag along and therefore have shaped my views of men partially off those interactions.
But I didn't go looking for older guys. It just happend.
I was attracted to Golfer because he was easy to get to know and therefore it made it feel like we'd been best friends forever. It's not because he's more mature than me (it's the case that I'm more responsible in a lot of areas because of my life experiences). It's because I was ready to be in a relationship and he's my match.*
You can't qualify these things by age. Just keep your sights open to new experiences. Enjoy being single. Get to know yourself so that you can identify your needs easier when the time comes to communicate in a relationship. I took the time to do that before Golfer and I found each other and I can honestly say that I think that's part of the reason why things between us have been relatively easy.
Relationships fail for many reasons - but (lack of compatiblilty and) poor communication tops the list.
And a final comment - there's a verse in the Bible that basically says "The Lord is not slow to keep his promises as we understand slowness." In the context of 2 Peter, where it's found, it's talking about salvation... but it meant a lot to me in other ways. Instead of being impatient with His plan, learn to accept that things fall into place and it's just up to us to do the personal development (by relying on Him).
*And for the potential Dr. and Mrs. ________ aspect.