Normal, IL has a population of 54,534 and is the 738th largest city in the United States. The population density is 2,924 per sq mi which is 1215% higher than the Illinois average and 3127% higher than the national average. The median age in Normal is 24 which is approximately 36% lower than the Illinois average of 37. In Normal, 40% of the population over 15 years of age are married, 93% speak English and 2% speak Spanish. 75% of Normal residents were born in Illinois, 19% were born out of state, 1% were born outside of the United States and 6% were foreign born.