Yermo (Spanish for "wilderness") is an unincorporated community in the Mojave Desert in San Bernardino County, California. It is 13 miles (21 km) east of Barstow on Interstate 15, just south of the Calico Mountains. Its population was an estimated 1,750 in 2009. Yermo hosts the 1,859-acre (7.5 km2) storage and industrial annex of the Marine Corps Logistics Base Barstow.