Alva, FL has a population of 2,309 and is the 10,243rd largest city in the United States. The population density is 132 per sq mi which is 55% lower than the Florida average and 46% higher than the national average. The median age in Alva is 56 which is approximately 35% higher than the Florida average of 42. In Alva, 80% of the population over 15 years of age are married, 93% speak English and 2% speak Spanish. 35% of Alva residents were born in Florida, 58% were born out of state, 1% were born outside of the United States and 6% were foreign born.