Crystal River, FL has a population of 3,073 and is the 8,690th largest city in the United States. The population density is 415 per sq mi which is 41% higher than the Florida average and 358% higher than the national average. The median age in Crystal River is 55 which is approximately 33% higher than the Florida average of 42. In Crystal River, 57% of the population over 15 years of age are married, 93% speak English and 1% speak Spanish. 29% of Crystal River residents were born in Florida, 60% were born out of state, 2% were born outside of the United States and 9% were foreign born.