Isaiah Bridgett, 22, had been identified as the victim who died from a gunshot wound the head.
Just before 3 a.m., authorities received several calls regarding possible gunshots along the 7000 block of Plumber Way in North Highlands.
When deputies arrived on scene, they were unable to locate any gunshot victims and were told by party-goers that the alleged gunshots were only fireworks.
Following the incident, two men arrived at a nearby hospital with gunshot wounds, Bridgett and another man who was shot in the arm.
Bridgett was pronounced deceased at the hospital.
The other victim, a 21-year-old man shot in the arm, sustained non-life threatening injuries, the sheriff's office said.
Sacramento County deputies have no suspects or suspect descriptions at this time.
Those with information regarding the incident are encouraged to contact the Sacramento County Sheriff's Office.
Stay with FOX40 News and FOX40.com for more updates as this story develops.