Elfrida is a small unincorporated community in the southeastern part of the U.S. state of Arizona in Cochise County. Elfrida is located on U.S. Route 191 24mi northwest of Douglas, 5mi north of McNeal. Elfrida has the ZIP Code of 85610; in 2000, the population of the 85610 ZCTA was 1,366.Elfrida is home to Valley Union High School grades 9-12 and Elfrida Elementary School grades K-8.Chiricahua Community Health Centers, Inc., was founded in Elfrida, Arizona.Elfrida Community Center is North of the center crossroads.Elfrida gained a library circa March 2000. The Elfrida Library is part of the Cochise County Library District.Elfrida Fire Department is South of the center crossroads.