I'm 40 and randomly met two other A-spec people over the last year, one Ace and the other AroAce, both in their 30s.
Since I didn't even know asexuality or aromanticism were a thing until a year ago, and I wasn't intentionally seeking out AroAce folk and met both of those people by chance, my perspective is probably a little skewed; it seems super easy, barely an inconvenience π
But seriously, until last year I'd not properly dealt with my depression for over 20 years, and so stayed inside all the time, barely spoke to anyone other than family. Once I pushed myself to go outside in order to help myself feel better, that led to meeting new people, and then since being ace was new on my mind I spoke about it with some of them and that's how I met the two other A-spec people. We've since become friends but I don't know that they would have brought it up if I hadn't done so first, they weren't wearing badges or the like.
And now more recently I've been attending a monthly AroAce meetup here in Frankfurt, went to a CSD demonstration a few weeks ago, and appeared as a guest on an AroAce podcast last week. So I'm greatly increasing my chances of meeting other AroAce folk in real life π