City in Boone County, Illinois
Belvidere
District lines run through Belvidere, so who represents you here depends on your street. Search your address to see yours.
Who lives in Belvidere
Census survey estimates for 2020 to 2024, rounded.
People
- Population
- 24,800
- Median age
- 38.7 years
- Under 18
- 23%
- 65 and over
- 16%
- Veterans, of adults
- 5%
- Speak another language at home
- 28%
Race and ethnicity
- Hispanic or Latino, of any race
- 35%
- White, not Hispanic
- 58%
- Black, not Hispanic
- 3%
- Asian, not Hispanic
- 1%
Income and housing
- Median household income
- $64,500
- Below the poverty line
- 15%
- Bachelor's or higher, adults 25+
- 13%
- Owner-occupied homes
- 71%
- Median home value
- $159,000
2024 vote for president
Not counted for Belvidere on its own: its precincts follow township lines, not the town’s. See the figure for Boone County.
Represent all of Belvidere
Represent part of Belvidere
Each represents the part of Belvidere inside their district. Under each is how many people lived in that part at the 2020 Census, of 25,339 in all.
Bill FosterU.S. Representative, District 11, Democratic23,330 people in this part
Darin LaHoodU.S. Representative, District 16, Republican2,009 people in this part- SSSteve StadelmanState Senator, District 34, Democratic24,993 people in this part
- DSDave SyversonState Senator, District 35, Republican346 people in this part
- ACAndrew ChesneyState Senator, District 45, Republican0 people in this part
- DVDave VellaState Representative, District 68, Democratic24,993 people in this part
- JSJoe SosnowskiState Representative, District 69, Republican346 people in this part
- TMTony McCombieState Representative, District 89, Republican0 people in this part
Belvidere's districts (8)
U.S. House (2)
- U.S. House District 11
Held by Bill Foster, Democratic
Part of Belvidere: 23,330 people in 2020
- U.S. House District 16
Held by Darin LaHood, Republican
Part of Belvidere: 2,009 people in 2020
Illinois Senate (3)
- Illinois Senate District 34
Held by Steve Stadelman, Democratic
Part of Belvidere: 24,993 people in 2020
- Illinois Senate District 35
Held by Dave Syverson, Republican
Part of Belvidere: 346 people in 2020
- Illinois Senate District 45
Held by Andrew Chesney, Republican
Part of Belvidere: 0 people in 2020
Illinois House (3)
- Illinois House District 68
Held by Dave Vella, Democratic
Part of Belvidere: 24,993 people in 2020
- Illinois House District 69
Held by Joe Sosnowski, Republican
Part of Belvidere: 346 people in 2020
- Illinois House District 89
Held by Tony McCombie, Republican
Part of Belvidere: 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.