The crime happened on Wednesday at about 11:30 p.m. in the 2800 block of N. Milwaukee Avenue, police said.
A male suspect entered a home and allegedly sexually assaulted a 38-year-old woman, police said.
Police said the suspect also took some of the victim's things before running away.
The victim was taken to an area hospital; she is expected to be OK.
Nobody is in custody. CPD is investigating.
INTERACTIVE SAFETY TRACKER Track crime and safety in your neighborhood