When I'm just out riding around, I don't normally pay that much attention to other bikes, so I've never really thought to count the fixed gear bikes I see.
I was just up at the Turkey Roll this morning, and noticed this bike as I was shooting:
Then when we got done, we talked to these guys a minute, and they were riding fixed gear bikes:
I don't know how many other fixed-gear riders there might have been out there, but they don't seem scarce at least.
So here's the Fixed Gear Scene- just more people riding bikes around.