Madeline Rivera-Cordon was last seen at around 7 p.m. Wednesday, Oct. 19, as she left her home in Ronkonkoma, located on Pond Road, Suffolk County Police said.
Detectives said the girl may be in Brentwood, Central Islip, or Patchogue.
Rivera-Cordon is described as Hispanic, standing 4-feet-8-inches tall and weighing 80 pounds with brown eyes and brown hair.
Anyone with information on her whereabouts is asked to call 911 or the Suffolk County Police Department at 631-854-8452.
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