Brooktrails, CA has a population of 3,759 and is the 7,721st largest city in the United States. The population density is 517 per sq mi which is 122% higher than the California average and 471% higher than the national average. The median age in Brooktrails is 36 which is approximately 1% lower than the California average of 36. In Brooktrails, 50% of the population over 15 years of age are married, 96% speak English and 4% speak Spanish. 69% of Brooktrails residents were born in California, 28% were born out of state, 1% were born outside of the United States and 2% were foreign born.