Florin, CA has a population of 49,486 and is the 830th largest city in the United States. The population density is 5,685 per sq mi which is 2346% higher than the California average and 6175% higher than the national average. The median age in Florin is 35 which is approximately 4% lower than the California average of 36. In Florin, 48% of the population over 15 years of age are married, 50% speak English and 19% speak Spanish. 54% of Florin residents were born in California, 13% were born out of state, 2% were born outside of the United States and 32% were foreign born.