Aspen Hill, MD has a population of 52,028 and is the 776th largest city in the United States. The population density is 5,414 per sq mi which is 1041% higher than the Maryland average and 5876% higher than the national average. The median age in Aspen Hill is 38 which is approximately 2% lower than the Maryland average of 38. In Aspen Hill, 52% of the population over 15 years of age are married, 48% speak English and 29% speak Spanish. 26% of Aspen Hill residents were born in Maryland, 31% were born out of state, 2% were born outside of the United States and 41% were foreign born.