Hernandez is an unincorporated community in Rio Arriba County, New Mexico, United States. Hernandez is about 5 miles (8.0 km) northwest of Espanola on U.S. Routes 84/285.
Hernandez has the ZIP code 87537. Covering 55 square miles (140 km2), the ZIP Code Tabulation Area for ZIP code 87537 had a population of 2,492 at the 2000 census. The racial makeup of the city was 65.8% White, 0.3% African American, 1.6% Native American, 0.4% Pacific Islander, 30.4% from other races, and 1.4% from two or more races. Hispanic or Latino of any race were 91.1% of the population.
Hernandez is "a populated place located wholly or substantially outside the boundaries of any incorporated place or CDP with an authoritative common name recognized by the U.S. Geological Survey." (FIPS code U6)