Sycamore is a city in DeKalb County, Illinois, United States. It has a commercial district based and centered on Illinois Route 64. The population was 18,577 at the 2020 census, up from 17,419 at the 2010 census. Sycamore is the county seat of DeKalb County and was named after the sycamore tree.
Midwest
Sycamore
De Kalb County, IL
Population
18,171
Walk Score
84 · Very Walkable
Median rent
$1,043
Median home value
$250,000
Founded
1835
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On the National Register
Historic districts
- Sycamore Historic District · listed 1978
Notable landmarks
- Brower, Adolphus W., House · listed 1979
- Chicago and Northwestern Depot · listed 1978
- Elmwood Cemetery Gates · listed 1978
- Marsh, William W., House · listed 1978
- North Grove School · listed 2012
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