Royalton, IL has a population of 1,124 and is the 14,431st largest city in the United States. The population density is 1,008 per sq mi which is 353% higher than the Illinois average and 1013% higher than the national average. The median age in Royalton is 47 which is approximately 26% higher than the Illinois average of 37. In Royalton, 59% of the population over 15 years of age are married, 97% speak English and 0% speak Spanish. 81% of Royalton residents were born in Illinois, 16% were born out of state, 1% were born outside of the United States and 2% were foreign born.