Crystal Lawns, IL has a population of 2,263 and is the 10,354th largest city in the United States. The population density is 3,467 per sq mi which is 1459% higher than the Illinois average and 3726% higher than the national average. The median age in Crystal Lawns is 41 which is approximately 10% higher than the Illinois average of 37. In Crystal Lawns, 57% of the population over 15 years of age are married, 91% speak English and 8% speak Spanish. 78% of Crystal Lawns residents were born in Illinois, 16% were born out of state, 1% were born outside of the United States and 5% were foreign born.