Larian has statistics what races are most popular. I think it was half-elves, but I'm too lazy to look it up . What I do remember is a statement from Swen Vincke , long ago, saying something like " we gave you horns and tails, use them". But despite this encouragement for players to immerse in tailed and horned characters, it didn't really seem to have worked. Elves and half-elves and humans remained the preferred races;
So yea, I guess the majority prefers to play a hero that looks somewhat human. I know I do. Actually I think I played mostly drow and half-drow. But I also played a Duergar and a halfling. But never a dragonborn , gnome or a tiefling.