Hornbrook, CA has a population of 210 and is the 24,241st largest city in the United States. The population density is 180 per sq mi which is 22% lower than the California average and 99% higher than the national average. The median age in Hornbrook is 39 which is approximately 9% higher than the California average of 36. In Hornbrook, 44% of the population over 15 years of age are married, 97% speak English and 3% speak Spanish. 62% of Hornbrook residents were born in California, 36% were born out of state, 0% were born outside of the United States and 2% were foreign born.