Ottawa, LaSalle County, Illinois
City in LaSalle County, Illinois · ZIP 61350
- LaSalle County
- Census data · ACS 2019-2023
- 9 public schools
- 18,775 (2024 estimate)Population
- 7,557Households
- $73,011Median household income
- $144,500Median home value
- 9Public schools
- 1ZIP codes
About Ottawa
This page shows only what has been published about Ottawa: Census facts with their sources first, then its businesses, jobs, events, people in public roles, housing and questions as they are added. Nothing here is written by the town government.
Town intelligenceOfficial sources, refreshed yearly
| Census | Population |
|---|---|
| 2000 | 18,307 |
| 2010 | 18,768 |
| 2020 | 18,840 |
As counted at each census, within the boundaries the area had then; the current estimate is in the glance card.
Sources: Census 2000 Summary File 1: total population, place level, state 17, retrieved November 14, 2026; Census 2010 Summary File 1: total population, place level, state 17, retrieved November 14, 2026; Census 2020 Redistricting Data (P.L. 94-171): total population, place level, state 17, retrieved November 14, 2026.
Median household income $73,011 · Share of households by income, American Community Survey 5-year 2019-2023, table S1901.
Source: American Community Survey 5-year subject table S1901 (household income) 2019–2023, place level, state 17, retrieved November 14, 2026.
- Owner occupied
- 5,241 units
- Renter occupied
- 2,316 units
- Vacancy rate
- 10%
Occupied housing units by tenure and the share of all units vacant, American Community Survey 5-year 2019-2023, table DP04.
Source: American Community Survey 5-year data profile 2019–2023, place level, state 17, retrieved November 14, 2026.
| Measure | Ottawa | LaSalle County | Illinois |
|---|---|---|---|
| Population | 18,714 | 109,049 | 12,692,653 |
| Median household income | $73,011 | $72,281 | $81,702 |
| Median age | 40.3 | 42.1 | 38.9 |
| Median home value | $144,500 | $154,900 | $250,500 |
| Bachelor’s degree or higher | 21.9% | 18.7% | 37.2% |
| Foreign-born residents | 2.6% | 3.7% | 14.4% |
| Owner-occupied homes | 69.4% | 73.9% | 66.8% |
| Mean commute to work | 22.5 minutes | 26.1 minutes | 28.1 minutes |
Source: American Community Survey 5-year data profile 2019–2023, place level, state 17, retrieved November 14, 2026.
CommunityRules and moderation
Events in OttawaAll events
No upcoming event is listed in Ottawa yet. Members and businesses add events from the Events page; each is screened before it shows.
Schools
| School | Type | Grades | District |
|---|---|---|---|
| Jefferson Elem School | Public | Pre-K–4 | Ottawa ESD 141 |
| Lincoln Elem School | Public | Pre-K–4 | Ottawa ESD 141 |
| McKinley Elem School | Public | Pre-K–4 | Ottawa ESD 141 |
| Central Intermediate School | Public | 5–6 | Ottawa ESD 141 |
| LaSalle Co Detention Center 6-8 | Alternative | 6–8 | Wallace CCSD 195 |
| Shepherd Middle School | Public | 7–8 | Ottawa ESD 141 |
| LaSalle Co Detention Center 9-12 | Alternative | 9–12 | Ottawa Twp HSD 140 |
| Ottawa Township High School | Public | 9–12 | Ottawa Twp HSD 140 |
| LMP Regional Office of Education | Alternative | 4–12 | La Salle/Marshall/Putnam ROE |
Open public schools in the NCES directory for 2023–2024, placed by their listed location; private schools are not in the source. Enrollment and ratings are not shown.
Sources: NCES Common Core of Data, public school directory 2023–2024, retrieved November 14, 2026; NCES EDGE public school geocodes 2024–2025, retrieved November 14, 2026.
Frequently asked about OttawaPromoted from questions people asked
No question about Ottawa has been asked often enough to publish an answer yet. Ask Ottawa and the answer, once a person checks it, appears here.
Nearby towns
- DaytonCensus designated place
- Ottawa TownshipTownship
- NaplateVillage
- South Ottawa TownshipTownship
- Rutland TownshipTownship
- Fall River TownshipTownship
- Dayton TownshipTownship
- Wallace TownshipTownship
- WedronCensus designated place
- MarseillesCity
Other towns in LaSalle County
- Adams TownshipTownship
- Allen TownshipTownship
- Brookfield TownshipTownship
- Bruce TownshipTownship
- Cedar PointVillage
- DanaVillage
- Dayton TownshipTownship
- DaytonCensus designated place
- Deer Park TownshipTownship
- Dimmick TownshipTownship
Other places named Ottawa in Illinois
- Ottawa TownshipTownship