City in DeKalb County, Illinois
Sycamore
District lines run through Sycamore, so who represents you here depends on your street. Search your address to see yours.
Who lives in Sycamore
Census survey estimates for 2020 to 2024, rounded.
People
- Population
- 18,600
- Median age
- 36.1 years
- Under 18
- 24%
- 65 and over
- 13%
- Veterans, of adults
- 6%
- Speak another language at home
- 9%
Race and ethnicity
- Hispanic or Latino, of any race
- 11%
- White, not Hispanic
- 81%
- Black, not Hispanic
- 3%
- Asian, not Hispanic
- 2%
Income and housing
- Median household income
- $84,100
- Below the poverty line
- 8%
- Bachelor's or higher, adults 25+
- 46%
- Owner-occupied homes
- 72%
- Median home value
- $266,000
2024 vote for president
Not counted for Sycamore on its own: its precincts follow township lines, not the town’s. See the figure for DeKalb County.
Represent all of Sycamore
Represent part of Sycamore
Each represents the part of Sycamore inside their district. Under each is how many people lived in that part at the 2020 Census, of 18,577 in all.
Bill FosterU.S. Representative, District 11, Democratic0 people in this part
Lauren UnderwoodU.S. Representative, District 14, Democratic18,577 people in this part- DSDave SyversonState Senator, District 35, Republican16,969 people in this part
- SRSue RezinState Senator, District 38, Republican1,608 people in this part
- ACAndrew ChesneyState Senator, District 45, Republican0 people in this part
- JKJeff KeicherState Representative, District 70, Republican16,969 people in this part
- MBMurri BrielState Representative, District 76, Democratic1,608 people in this part
- TMTony McCombieState Representative, District 89, Republican0 people in this part
Sycamore's districts (8)
U.S. House (2)
- U.S. House District 11
Held by Bill Foster, Democratic
Part of Sycamore: 0 people in 2020
- U.S. House District 14
Held by Lauren Underwood, Democratic
Part of Sycamore: 18,577 people in 2020
Illinois Senate (3)
- Illinois Senate District 35
Held by Dave Syverson, Republican
Part of Sycamore: 16,969 people in 2020
- Illinois Senate District 38
Held by Sue Rezin, Republican
Part of Sycamore: 1,608 people in 2020
- Illinois Senate District 45
Held by Andrew Chesney, Republican
Part of Sycamore: 0 people in 2020
Illinois House (3)
- Illinois House District 70
Held by Jeff Keicher, Republican
Part of Sycamore: 16,969 people in 2020
- Illinois House District 76
Held by Murri Briel, Democratic
Part of Sycamore: 1,608 people in 2020
- Illinois House District 89
Held by Tony McCombie, Republican
Part of Sycamore: 0 people in 2020
Source: U.S. Census Bureau, American Community Survey 5-year estimates, 2020–2024; towns and counties from the 2020 Census, 119th Congressional District and 2024 state legislative district tabulation. Figures rounded by us. Retrieved 2026-10-19. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.