She's believed to be in the company of a woman who is known to her and the Department of Communities has concerns for her wellbeing.
Eva was last seen wearing a pink and blue Peppa Pig top, with pink leggings and had no shoes on.
Anyone who has seen her, has information on her location or is able to assist in finding her should contact WA Police immediately on 131 444.
Those who wish to remain anonymous can contact Crime Stoppers on 1800 333 000 or online here.