Sycamore Flag

Sycamore

County:
DeKalb County
County Seat:
No
Area (mi²):
10.122
State:
Illinois

Sycamore is a city located in DeKalb County, Illinois. Sycamore has a 2025 population of 19,041 . Sycamore is currently growing at a rate of 0.38% annually and its population has increased by 1.96% since the most recent census, which recorded a population of 18,675 in 2020.

The average household income in Sycamore is $99,777 with a poverty rate of 9.51%. The median age in Sycamore is 37.6 years: 37.3 years for males, and 37.9 years for females. For every 100 females there are 89.5 males.

19K
Total Population
1,881
Density (mi²)
73 0.38%
Growth

Sycamore Population

Demographics

Economics and Income Statistics

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)