Sheridan is a city located in Illinois. With a 2020 population of 2,506, it is the 444th largest city in Illinois and the 6823rd largest city in the United States . Sheridan is currently declining at a rate of -0.28% annually but its population has increased by 17.27% since the most recent census, which recorded a population of 2,137 in 2010. Sheridan reached it's highest population of 2,757 in 2013. Spanning over 2 miles, Sheridan has a population density of 1,257 people per square mile.
The average household income in Sheridan is $69,658 with a poverty rate of 16.96%. The median rental costs in recent years comes to $1,008 per month, and the median house value is $148,600. The median age in Sheridan is 34 years, 33.9 years for males, and 34.6 years for females.