Thanks for the reminder, I needed to update mine. Here are IGG's instructions on changing your address...it's linked to an order, not your account...
https://support.indiegogo.com/hc/en-us/articles/212528078-How-do-I-update-my-shipping-address-
https://support.indiegogo.com/hc/en-us/articles/212528078-How-do-I-update-my-shipping-address-