Lincolnwood, IL has a population of 12,637 and is the 3,283rd largest city in the United States. The population density is 4,695 per sq mi which is 2012% higher than the Illinois average and 5082% higher than the national average. The median age in Lincolnwood is 46 which is approximately 24% higher than the Illinois average of 37. In Lincolnwood, 70% of the population over 15 years of age are married, 41% speak English and 5% speak Spanish. 52% of Lincolnwood residents were born in Illinois, 8% were born out of state, 1% were born outside of the United States and 39% were foreign born.