Sykesville, MD has a population of 3,940 and is the 7,508th largest city in the United States. The population density is 2,500 per sq mi which is 427% higher than the Maryland average and 2660% higher than the national average. The median age in Sykesville is 36 which is approximately 5% lower than the Maryland average of 38. In Sykesville, 55% of the population over 15 years of age are married, 97% speak English and 2% speak Spanish. 66% of Sykesville residents were born in Maryland, 31% were born out of state, 2% were born outside of the United States and 1% were foreign born.