I would still think that you're still north of the average.
Might be a bit stressful on those few 400+ yard par4's, but I still think there's enough MPH there to sustain you if you're playing the appropriate distance tee box.
I feel most comfortable playing 6300 yards, which is down a couple hundred yards from just a few years ago. Part of it is just the natural progression of getting older, part of it is just not being nearly as strong and athletic as I used to be. But 6300 yards (for the most part) seems like a fair challenge for me overall these days.
My best drive these days go about 240, but my average would be somewhere around 220. Haven't had my swing speed checked in years, but it's probably similar to yours. Driving has been pretty good for me over the past 10 years, so I know it has a lot to do with my level of fitness/flexibilty currently.