Zionism means the right for the jewish people to national selfdetermination in their historical homeland. This has nothing to do with the nead for all jews to emigrate or even to identify with this state. It also does not define the national borders of this state. I do believe most of your mentioned 52% has no clue to what zionism really is about.
U.S. Supreme Court denies Kentucky clerk request on gay marriage licenses (Reuters)
from the article: Defining 'who is a Jew’