Emden, IL has a population of 339 and is the 21,801st largest city in the United States. The population density is 1,446 per sq mi which is 551% higher than the Illinois average and 1496% higher than the national average. The median age in Emden is 51 which is approximately 37% higher than the Illinois average of 37. In Emden, 75% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 87% of Emden residents were born in Illinois, 13% were born out of state, 0% were born outside of the United States and 0% were foreign born.