Leitersburg, MD has a population of 636 and is the 18,061st largest city in the United States. The population density is 362 per sq mi which is 24% lower than the Maryland average and 299% higher than the national average. The median age in Leitersburg is 48 which is approximately 25% higher than the Maryland average of 38. In Leitersburg, 43% of the population over 15 years of age are married, 96% speak English and 4% speak Spanish. 63% of Leitersburg residents were born in Maryland, 37% were born out of state, 0% were born outside of the United States and 0% were foreign born.