Ellsworth, IL has a population of 276 and is the 22,904th largest city in the United States. The population density is 1,212 per sq mi which is 445% higher than the Illinois average and 1238% higher than the national average. The median age in Ellsworth is 35 which is approximately 6% lower than the Illinois average of 37. In Ellsworth, 57% of the population over 15 years of age are married, 98% speak English and 0% speak Spanish. 82% of Ellsworth residents were born in Illinois, 18% were born out of state, 0% were born outside of the United States and 0% were foreign born.