City in LaSalle County, Illinois
Ottawa
District lines run through Ottawa, so who represents you here depends on your street. Search your address to see yours.
Who lives in Ottawa
Census survey estimates for 2020 to 2024, rounded.
People
- Population
- 18,400
- Median age
- 39.8 years
- Under 18
- 25%
- 65 and over
- 16%
- Veterans, of adults
- 8%
- Speak another language at home
- 5%
Race and ethnicity
- Hispanic or Latino, of any race
- 10%
- White, not Hispanic
- 83%
- Black, not Hispanic
- 3%
- Asian, not Hispanic
- 1%
Income and housing
- Median household income
- $71,400
- Below the poverty line
- 17%
- Bachelor's or higher, adults 25+
- 23%
- Owner-occupied homes
- 70%
- Median home value
- $154,000
2024 vote for president
Not counted for Ottawa on its own: its precincts follow township lines, not the town’s. See the figure for LaSalle County.
Represent all of Ottawa
Represent part of Ottawa
Each represents the part of Ottawa inside their district. Under each is how many people lived in that part at the 2020 Census, of 18,840 in all.
- LALi ArellanoState Senator, District 37, Republican0 people in this part
- SRSue RezinState Senator, District 38, Republican18,840 people in this part
- BFBrad FrittsState Representative, District 74, Republican0 people in this part
- MBMurri BrielState Representative, District 76, Democratic18,840 people in this part
Ottawa's districts
U.S. House District 14
All of Ottawa
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 37
Part of Ottawa: 0 people in 2020
Held by Li Arellano, Republican
- Springfield office: (217) 782-1942
- District office: (779) 251-5003
Illinois Senate District 38
Part of Ottawa: 18,840 people in 2020
Held by Sue Rezin, Republican
- Springfield office: (217) 782-3840
- District office: (815) 220-8720
Illinois House District 74
Part of Ottawa: 0 people in 2020
Held by Brad Fritts, Republican
- Springfield office: (217) 782-0535
- District office: (815) 561-3690
Illinois House District 76
Part of Ottawa: 18,840 people in 2020
Held by Murri Briel, Democratic
- Springfield office: (217) 782-0140
- District office: (815) 587-7912
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.