Metamora, IL has a population of 3,632 and is the 7,874th largest city in the United States. The population density is 1,774 per sq mi which is 698% higher than the Illinois average and 1858% higher than the national average. The median age in Metamora is 38 which is approximately 1% higher than the Illinois average of 37. In Metamora, 67% of the population over 15 years of age are married, 96% speak English and 2% speak Spanish. 82% of Metamora residents were born in Illinois, 16% were born out of state, 0% were born outside of the United States and 2% were foreign born.