I'm aware that
ご家族は何人ですか
means how many people are in your family? But the ご how is used? What does mean?
It would be the same as
あなたの家族は何人ですか/家族は何人ですか?
I'm aware that
ご家族は何人ですか
means how many people are in your family? But the ご how is used? What does mean?
It would be the same as
あなたの家族は何人ですか/家族は何人ですか?