Regular membership (persons whose principal means of support is earned in the gathering, editing, or presentation of news. Includes public affairs for media companies) costs $35.
Student membership costs $25.
Academic membership (persons who are educators of journalism in institutions of higher learning) costs $35.
Associate membership (persons who are not journalists but are employed in such media-related fields as public relations, public or corporate information, directors of media organizations) costs $35.
You can join/renew your membership here.