Twentynine Palms, CA has a population of 25,848 and is the 1,665th largest city in the United States. The population density is 437 per sq mi which is 88% higher than the California average and 382% higher than the national average. The median age in Twentynine Palms is 24 which is approximately 32% lower than the California average of 36. In Twentynine Palms, 53% of the population over 15 years of age are married, 88% speak English and 9% speak Spanish. 45% of Twentynine Palms residents were born in California, 48% were born out of state, 2% were born outside of the United States and 5% were foreign born.