Summit is a city located in Illinois. With a 2020 population of 11,004, it is the 207th largest city in Illinois and the 2903rd largest city in the United States . Summit is currently declining at a rate of -0.51% annually and its population has decreased by -0.45% since the most recent census, which recorded a population of 11,054 in 2010. Summit reached it's highest population of 11,569 in 1970. Spanning over 2 miles, Summit has a population density of 5,194 people per square mile.
The average household income in Summit is $64,460 with a poverty rate of 17.34%. The median rental costs in recent years comes to $874 per month, and the median house value is $170,800. The median age in Summit is 32 years, 32.9 years for males, and 31.5 years for females.