Hebron, IL has a population of 1,288 and is the 13,606th largest city in the United States. The population density is 661 per sq mi which is 197% higher than the Illinois average and 629% higher than the national average. The median age in Hebron is 35 which is approximately 5% lower than the Illinois average of 37. In Hebron, 53% of the population over 15 years of age are married, 83% speak English and 17% speak Spanish. 73% of Hebron residents were born in Illinois, 17% were born out of state, 0% were born outside of the United States and 10% were foreign born.