Sycamore is a city located in Illinois. With a 2020 population of 18,716, it is the 131st largest city in Illinois and the 1956th largest city in the United States . Sycamore is currently growing at a rate of 1.06% annually and its population has increased by 6.83% since the most recent census, which recorded a population of 17,519 in 2010. Sycamore reached it's highest population of 18,716 in 2021. Spanning over 10 miles, Sycamore has a population density of 1,904 people per square mile.
The average household income in Sycamore is $86,143 with a poverty rate of 8.51%. The median rental costs in recent years comes to $963 per month, and the median house value is $189,400. The median age in Sycamore is 36.6 years, 35.5 years for males, and 37.1 years for females.