Well who exactly is he competing with for it because the masses certainly aren't drawing fanart or cosplaying as the Irons, Kenan, Lana or the Twins.
Only Powergirl arguably has as much of stamp on pop culture and if we're being honest 90% of her popularity tied to her cup size.
That Conner been killed off, erased from continuity, replaced and generally ignored by DC yet still managed to win a fan vote against other arguably more high profile characters like Cyborg, John Stewart and Constantine is proof clone boy has retained a following after 30 years despite circumstances.