Morrisonville, IL has a population of 1,055 and is the 14,818th largest city in the United States. The population density is 1,020 per sq mi which is 359% higher than the Illinois average and 1025% higher than the national average. The median age in Morrisonville is 40 which is approximately 6% higher than the Illinois average of 37. In Morrisonville, 64% of the population over 15 years of age are married, 99% speak English and 1% speak Spanish. 89% of Morrisonville residents were born in Illinois, 10% were born out of state, 0% were born outside of the United States and 1% were foreign born.