Biola, CA has a population of 1,265 and is the 13,708th largest city in the United States. The population density is 2,383 per sq mi which is 925% higher than the California average and 2530% higher than the national average. The median age in Biola is 25 which is approximately 30% lower than the California average of 36. In Biola, 48% of the population over 15 years of age are married, 13% speak English and 79% speak Spanish. 46% of Biola residents were born in California, 6% were born out of state, 4% were born outside of the United States and 44% were foreign born.