Woodside, DE has a population of 169 and is the 25,176th largest city in the United States. The population density is 1,196 per sq mi which is 225% higher than the Delaware average and 1220% higher than the national average. The median age in Woodside is 48 which is approximately 22% higher than the Delaware average of 40. In Woodside, 36% of the population over 15 years of age are married, 93% speak English and 3% speak Spanish. 53% of Woodside residents were born in Delaware, 44% were born out of state, 3% were born outside of the United States and 0% were foreign born.