Descanso, CA has a population of 1,287 and is the 13,608th largest city in the United States. The population density is 67 per sq mi which is 71% lower than the California average and 26% lower than the national average. The median age in Descanso is 52 which is approximately 44% higher than the California average of 36. In Descanso, 74% of the population over 15 years of age are married, 94% speak English and 6% speak Spanish. 71% of Descanso residents were born in California, 25% were born out of state, 1% were born outside of the United States and 4% were foreign born.