Chenoa, IL has a population of 1,840 and is the 11,504th largest city in the United States. The population density is 757 per sq mi which is 241% higher than the Illinois average and 735% higher than the national average. The median age in Chenoa is 38 which is approximately 2% higher than the Illinois average of 37. In Chenoa, 61% of the population over 15 years of age are married, 97% speak English and 2% speak Spanish. 82% of Chenoa residents were born in Illinois, 15% were born out of state, 0% were born outside of the United States and 2% were foreign born.