Halfway, MD has a population of 11,072 and is the 3,640th largest city in the United States. The population density is 2,380 per sq mi which is 402% higher than the Maryland average and 2527% higher than the national average. The median age in Halfway is 41 which is approximately 6% higher than the Maryland average of 38. In Halfway, 60% of the population over 15 years of age are married, 94% speak English and 3% speak Spanish. 66% of Halfway residents were born in Maryland, 29% were born out of state, 1% were born outside of the United States and 4% were foreign born.