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Sycamore | |
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![]() Downtown Sycamore, looking west from the intersection of State and Main streets | |
![]() Location of Sycamore in DeKalb County, Illinois | |
![]() Location of Illinois in the United States | |
Coordinates: 41°59′2″N 88°41′39″W / 41.98389°N 88.69417°W | |
Country | United States |
State | Illinois |
County | DeKalb |
Named for | Sycamore tree |
Area | |
• Total | 10.18 sq mi (26.36 km2) |
• Land | 10.12 sq mi (26.21 km2) |
• Water | 0.06 sq mi (0.15 km2) |
Population (2020) | |
• Total | 18,577 |
• Density | 1,835.67/sq mi (708.73/km2) |
Time zone | UTC−6 (CST) |
• Summer (DST) | UTC−5 (CDT) |
ZIP Code(s) | 60178 |
Area code | 815 |
FIPS code | 17-74223 |
Wikimedia Commons | Sycamore, Illinois |
Website | www |
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,[2] up from 17,419 at the 2010 census. Sycamore is the county seat of DeKalb County and was named after the sycamore tree.