El Cajon is a commercial and residential city 15 miles east of downtown San Diego. In Spanish, the name means "box" or "box-like canyon," and reflects the topography of the area. According to the 2000 census, the El Cajon ZIP codes, 92019 and 92021, contain approximately 158,000 residents. This figure includes, however, not only El Cajon, but also nearby unincorporated areas in the County.