Village in DeKalb County and LaSalle County, Illinois
Somonauk
District lines run through Somonauk, so who represents you here depends on your street. Search your address to see yours.
Who lives in Somonauk
Census survey estimates for 2020 to 2024, rounded.
People
- Population
- 1,600
- Median age
- 45.6 years
- Under 18
- 21%
- 65 and over
- 26%
- Veterans, of adults
- 5%
- Speak another language at home
- 4%
Race and ethnicity
- Hispanic or Latino, of any race
- 6%
- White, not Hispanic
- 89%
- Black, not Hispanic
- 1%
- Asian, not Hispanic
- 0%
Income and housing
- Median household income
- $84,600
- Below the poverty line
- 4%
- Bachelor's or higher, adults 25+
- 23%
- Owner-occupied homes
- 74%
- Median home value
- $234,000
2024 vote for president
Not counted for Somonauk on its own: its precincts follow township lines, not the town’s. See the figures for DeKalb County and LaSalle County.
Represent all of Somonauk
Represent part of Somonauk
Each represents the part of Somonauk inside their district. Under each is how many people lived in that part at the 2020 Census, of 1,786 in all.
- DSDave SyversonState Senator, District 35, Republican162 people in this part
- SRSue RezinState Senator, District 38, Republican1,624 people in this part
- JKJeff KeicherState Representative, District 70, Republican162 people in this part
- JDJed DavisState Representative, District 75, Republican1,624 people in this part
Somonauk's districts
U.S. House District 14
All of Somonauk
Held by Lauren Underwood, Democratic
- Washington office: (202) 225-2976
About 763,800 people, median household income $95,500.
Largest towns: Joliet (part), Aurora (part), Plainfield and 77 more
Illinois Senate District 35
Part of Somonauk: 162 people in 2020
Held by Dave Syverson, Republican
- Springfield office: (217) 782-5413
- District office: (815) 987-7555
About 217,000 people, median household income $109,700.
Largest towns: Huntley, Sycamore (part), Lake in the Hills (part) and 51 more
Illinois Senate District 38
Part of Somonauk: 1,624 people in 2020
Held by Sue Rezin, Republican
- Springfield office: (217) 782-3840
- District office: (815) 220-8720
Illinois House District 70
Part of Somonauk: 162 people in 2020
Held by Jeff Keicher, Republican
- Springfield office: (217) 782-0425
- District office: (815) 748-3494
About 109,400 people, median household income $115,800.
Largest towns: Sycamore (part), Pingree Grove (part), Sugar Grove (part) and 21 more
Illinois House District 75
Part of Somonauk: 1,624 people in 2020
Held by Jed Davis, Republican
- Springfield office: (217) 782-5997
- District office: (331) 867-8200
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.
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.