Liverpool, IL has a population of 164 and is the 25,296th largest city in the United States. The population density is 1,949 per sq mi which is 777% higher than the Illinois average and 2051% higher than the national average. The median age in Liverpool is 44 which is approximately 18% higher than the Illinois average of 37. In Liverpool, 44% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 90% of Liverpool residents were born in Illinois, 10% were born out of state, 0% were born outside of the United States and 0% were foreign born.