Lost Hills, CA has a population of 2,013 and is the 10,988th largest city in the United States. The population density is 363 per sq mi which is 56% higher than the California average and 300% higher than the national average. The median age in Lost Hills is 22 which is approximately 39% lower than the California average of 36. In Lost Hills, 59% of the population over 15 years of age are married, 5% speak English and 95% speak Spanish. 50% of Lost Hills residents were born in California, 0% were born out of state, 0% were born outside of the United States and 50% were foreign born.