The shooting happened around 11:15 p.m., police said.
Officers were initially called for a noise complaint, but as they were en route to the scene officers received reports of the shooting. When they arrived they found that a 16-year-old boy, three adult men and a woman were shot, according to investigators.
One victim is said to be in serious condition but all are expected to survive.
Investigators did not offer any information about a suspect, only that he was also attending the party. They believe that there was only one shooter involved.
No one is in custody for the shooting.