It happened around 5:20 p.m. Sunday in the unit block of Virginia Avenue.
Police say that's where Alexander Camacho was stabbed in the backyard of a home.
Camacho was wounded in the lower part of his body, police say. He was taken to Paoli Hospital where he died from his wounds.
There was no word on a motive for this stabbing. No arrests have been made.
Anyone with information is asked to contact Detective Sergeant Brandon Harris at bharris@coatesville.org or 610-679-6041.