Evergreen Park, IL has a population of 19,849 and is the 2,192nd largest city in the United States. The population density is 6,276 per sq mi which is 2723% higher than the Illinois average and 6827% higher than the national average. The median age in Evergreen Park is 40 which is approximately 7% higher than the Illinois average of 37. In Evergreen Park, 58% of the population over 15 years of age are married, 91% speak English and 6% speak Spanish. 84% of Evergreen Park residents were born in Illinois, 10% were born out of state, 0% were born outside of the United States and 6% were foreign born.