Maple Park, IL has a population of 1,273 and is the 13,668th largest city in the United States. The population density is 614 per sq mi which is 176% higher than the Illinois average and 578% higher than the national average. The median age in Maple Park is 36 which is approximately 5% lower than the Illinois average of 37. In Maple Park, 61% of the population over 15 years of age are married, 93% speak English and 3% speak Spanish. 82% of Maple Park residents were born in Illinois, 13% were born out of state, 0% were born outside of the United States and 5% were foreign born.