Fults, IL has a population of 26 and is the 28,690th largest city in the United States. The population density is 493 per sq mi which is 122% higher than the Illinois average and 444% higher than the national average. The median age in Fults is 38 which is approximately equal to the Illinois average of 37. In Fults, 82% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 85% of Fults residents were born in Illinois, 15% were born out of state, 0% were born outside of the United States and 0% were foreign born.