Richmond police say the shooting was reported Tuesday night at the Robert F. Smith Apartments on the city's north side.
Police tell the Palladium-Item that complex resident 22-year-old Christina Hampton was taken by helicopter to an Indianapolis hospital for treatment. There was no word on her condition. Hampton's sister, Takeia Holland, told WHIO-TV the girl was not injured.
Capt. James Branum says neighbors reported seeing two men leave the apartment after the sound of several gunshots.
No arrests were reported and officers and a police dog searched the area around the apartment.