Franklin, MD has a population of 273 and is the 22,961st largest city in the United States. The population density is 1,034 per sq mi which is 118% higher than the Maryland average and 1041% higher than the national average. The median age in Franklin is 72 which is approximately 87% higher than the Maryland average of 38. In Franklin, 64% of the population over 15 years of age are married, 98% speak English and 0% speak Spanish. 72% of Franklin residents were born in Maryland, 28% were born out of state, 0% were born outside of the United States and 0% were foreign born.