Porterville police say they found the man suffering from at least one gunshot wound along the railroad tracks near E Street and Belleview just after 8:30 pm.
He was transported to Kaweah Health Medical Center, where he later died.
Detectives are still searching for the shooter, and are investigating the case as a homicide.
A motive for the attack is not yet known.
If you have information about the shooting, you are urged to contact Corporal Vargas or Detective Stark at (559) 782-7400.
NOTE: The video above is from an earlier version of the story and will be updated.