Hockessin, DE has a population of 13,702 and is the 3,050th largest city in the United States. The population density is 1,365 per sq mi which is 271% higher than the Delaware average and 1406% higher than the national average. The median age in Hockessin is 48 which is approximately 20% higher than the Delaware average of 40. In Hockessin, 68% of the population over 15 years of age are married, 86% speak English and 1% speak Spanish. 45% of Hockessin residents were born in Delaware, 41% were born out of state, 1% were born outside of the United States and 12% were foreign born.