An elderly woman who has dementia and uses a walker has gone missing in downtown Hamilton.

Hamilton police say Dorothy Black, 81, was last seen at Jackson Square around 4 p.m. Wednesday. She was reported missing Thursday from Montgomery Lodge.

Black is about 5'3" and 200 pounds, and has long white hair.

She was last seen wearing a long white coat with fur, a long-sleeved shirt with a floral pattern, grey dress pants and new black boots. She also uses a walker.

Police say Black has dementia and needs daily medication, which she doesn't have with her.

Anyone with information should call police at 905-546-2963, or anonymously via Crime Stoppers.