Compton, IL has a population of 259 and is the 23,236th largest city in the United States. The population density is 1,571 per sq mi which is 607% higher than the Illinois average and 1634% higher than the national average. The median age in Compton is 37 which is approximately equal to the Illinois average of 37. In Compton, 67% of the population over 15 years of age are married, 98% speak English and 2% speak Spanish. 77% of Compton residents were born in Illinois, 20% were born out of state, 1% were born outside of the United States and 2% were foreign born.