House Speaker W. Ken Martinez said Easley died Wednesday after a prolonged illness. The cause of death or details of his illness weren't released.
Easley was elected in 2012 to a district covering parts of Santa Fe, Torrance and Valencia counties.
He operated an information technology consulting business and had worked in state government, including as the Department of Public Safety's chief information officer in 2007-2010.
Before moving to Santa Fe, Easley was an Alamogordo city commissioner from 2000 to 2003.
The speaker described Easley as a "valued and well-respected colleague."
Gov. Susana Martinez said flags will be flown at half-staff in honor of Easley.