How common are sacral dimples? Roughly 3 to 8 percent of babies are born with a sacral dimple.

When should I be concerned about a sacral dimple?

Most sacral dimples are harmless and don't require any treatment. Sacral dimples that are accompanied by a nearby tuft of hair, skin tag or certain types of skin discoloration are sometimes associated with a serious underlying abnormality of the spine or spinal cord.

Does everyone have a sacral dimple?

About 3 to 8 percent of the population has a sacral dimple. A very small percentage of people with a sacral dimple can have spinal abnormalities. In most cases, a sacral dimple causes no problems and isn't associated with any health risks.