I don't know if that is good or bad. I've heard that historically, minorities such as blacks and Hispanics don't vote. I don't know if that means they are registered but don't bother or if they just don't register. If getting that 55% up means having more minorities vote and we know they vote democrat that 55% might be a good thing.
I wonder sometimes if some of these don’t even know they have been registered. Motor voter, etc. it would not surprise me at all to find the Democrat would be the “default” choice..