Hyattsville, MD has a population of 18,262 and is the 2,388th largest city in the United States. The population density is 6,825 per sq mi which is 1339% higher than the Maryland average and 7433% higher than the national average. The median age in Hyattsville is 34 which is approximately 13% lower than the Maryland average of 38. In Hyattsville, 42% of the population over 15 years of age are married, 56% speak English and 33% speak Spanish. 18% of Hyattsville residents were born in Maryland, 45% were born out of state, 2% were born outside of the United States and 36% were foreign born.