Aquasco, MD has a population of 855 and is the 16,145th largest city in the United States. The population density is 43 per sq mi which is 91% lower than the Maryland average and 52% lower than the national average. The median age in Aquasco is 47 which is approximately 22% higher than the Maryland average of 38. In Aquasco, 57% of the population over 15 years of age are married, 99% speak English and 1% speak Spanish. 70% of Aquasco residents were born in Maryland, 27% were born out of state, 3% were born outside of the United States and 1% were foreign born.