High Quality Content by WIKIPEDIA articles! Yucca is an unincorporated community in Mohave County, Arizona, United States. Located along Interstate 40, it lies southwest of Kingman, just east of the southern section of the Black Mountains and west of the Hualapai and McCracken Mountains in the Sacramento Valley. Yucca has a ZIP Code of 86438; in 2000, the population of the 86438 ZCTA was 282. Students in Yucca attend schools in the Kingman Unified School District.