Officers responded to the 2100 block of San Antonio Street at 6:08 p.m. in response to a report of a disturbance, police Sgt. Heather Randol said.
They arrived and found the victim, who was unresponsive. He was taken to a hospital, where he was pronounced dead at about 7 p.m., police said.
The circumstances of the death remain under investigation, and no arrests have been made in the case, Randol said.
The victim's name has not yet been released because his family is still being notified of his death, according to police.