North Star, DE has a population of 7,567 and is the 4,894th largest city in the United States. The population density is 1,112 per sq mi which is 202% higher than the Delaware average and 1128% higher than the national average. The median age in North Star is 49 which is approximately 24% higher than the Delaware average of 40. In North Star, 75% of the population over 15 years of age are married, 86% speak English and 2% speak Spanish. 39% of North Star residents were born in Delaware, 47% were born out of state, 1% were born outside of the United States and 12% were foreign born.