Reynolds, IL has a population of 444 and is the 20,290th largest city in the United States. The population density is 1,195 per sq mi which is 438% higher than the Illinois average and 1219% higher than the national average. The median age in Reynolds is 44 which is approximately 16% higher than the Illinois average of 37. In Reynolds, 66% of the population over 15 years of age are married, 99% speak English and 0% speak Spanish. 73% of Reynolds residents were born in Illinois, 25% were born out of state, 0% were born outside of the United States and 1% were foreign born.