Yucca Valley, CA has a population of 21,362 and is the 2,036th largest city in the United States. The population density is 534 per sq mi which is 130% higher than the California average and 489% higher than the national average. The median age in Yucca Valley is 42 which is approximately 16% higher than the California average of 36. In Yucca Valley, 58% of the population over 15 years of age are married, 88% speak English and 8% speak Spanish. 63% of Yucca Valley residents were born in California, 29% were born out of state, 1% were born outside of the United States and 7% were foreign born.