Kate Hudson was born in Los Angeles, California, the daughter of Academy Award-winning actress Goldie Hawn and Bill Hudson, an actor, comedian, and musician. Kate Hudson parents divorced eighteen months after her birth; she and her brother, actor Oliver Hudson, were raised in Colorado by her mother and her mother's long-time boyfriend, actor Kurt Russell.
Kate Hudson has stated that her biological father "doesn't know me from a hole in the wall", and that she considers Russell to be her father. Kate Hudson biological father has indicated that he has made several efforts to connect with Kate and Oliver, but neither has reciprocated. Kate Hudson has described her mother as "the woman that I've learned the most from, and who I look up to, who has conducted her life in a way that I can look up to". She has four half-siblings: Emily and Zachary Hudson, from her biological father's subsequent marriage to actress Cindy Williams; Lalania Hudson, from his relationship with another woman; and Wyatt, from her mother's relationship with Russell.
Kate Hudson is of Italian (from her paternal grandmother), English, and Hungarian Jewish descent. She was raised in her maternal grandmother's Jewish religion; graduated from Crossroads, a college preparatory school in Santa Monica, in 1997. She was accepted to New York University but chose to pursue an acting career instead of an undergraduate degree.