El Macero is an unincorporated community and census-designated place just outside the city limits of Davis, California, United States, in Yolo County. Until 2006 it had a separate ZIP Code, 95618. In 2006, eastern and southern parts of Davis were added to the 95618 zone. Formerly, a separate post office served El Macero; this is now closed. El Macero was named for Bruce Mace, on whose land it was built. The community is in area code 530. It lies at an elevation of 36 feet.