

It was released on both VHS and DVD in the same year by Buena Vista Home Entertainment. On April 23, 2003, Eloise was adapted into a live-action made-for-TV film, titled Eloise at the Plaza, produced by DiNovi Pictures and Handmade Films for Walt Disney Television with distribution handled by ABC Television Network. In 1956, the book was adapted into a 90-minute television play, Eloise, broadcast on the CBS television show Playhouse 90.

The title character was inspired by an alter ego of Thompson.

An audiobook version of Eloise, narrated by Bernadette Peters, was released in October 2015 to coincide with the 60th anniversary of the series. In 1969, the adult-oriented book was re-released as a children's book, without change. Eloise (originally titled Eloise: A Book for Precocious Grown-ups) is the first of the Eloise book series written and drawn by Kay Thompson and Hilary Knight, respectively.
