Adelanto, CA has a population of 32,311 and is the 1,315th largest city in the United States. The population density is 610 per sq mi which is 138% higher than the California average and 573% higher than the national average. The median age in Adelanto is 26 which is approximately 27% lower than the California average of 36. In Adelanto, 44% of the population over 15 years of age are married, 52% speak English and 45% speak Spanish. 67% of Adelanto residents were born in California, 10% were born out of state, 1% were born outside of the United States and 21% were foreign born.