The shooting happened just before 9 a.m. in the 1100 block of North Center Street, police said.
Officers responded to calls of a man standing outside a home, pointing a gun. Once on the scene, officers said the gunman ignored commands to drop his weapon and walked toward them.
An officer fired his gun twice, hitting the suspect once.
The man was rushed to a hospital and was initially reported to be stable.
The officer was not hurt, police said.
Charges are pending against the suspect.