Hallandale Beach, FL has a population of 38,951 and is the 1,068th largest city in the United States. The population density is 9,242 per sq mi which is 3048% higher than the Florida average and 10101% higher than the national average. The median age in Hallandale Beach is 46 which is approximately 11% higher than the Florida average of 42. In Hallandale Beach, 51% of the population over 15 years of age are married, 43% speak English and 34% speak Spanish. 24% of Hallandale Beach residents were born in Florida, 25% were born out of state, 3% were born outside of the United States and 47% were foreign born.