Ontario, Oregon
City in Malheur County, Oregon · ZIP 97914
- Malheur County
- Census data · ACS 2019-2023
- 6 public schools
- 11,957 (2024 estimate)Population
- 4,475Households
- $43,887Median household income
- $217,500Median home value
- 6Public schools
- 1ZIP codes
About Ontario
This page shows only what has been published about Ontario: 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 | 10,985 |
| 2010 | 11,366 |
| 2020 | 11,645 |
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 41, retrieved November 14, 2026; Census 2010 Summary File 1: total population, place level, state 41, retrieved November 14, 2026; Census 2020 Redistricting Data (P.L. 94-171): total population, place level, state 41, retrieved November 14, 2026.
Median household income $43,887 · 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 41, retrieved November 14, 2026.
- Owner occupied
- 2,656 units
- Renter occupied
- 1,819 units
- Vacancy rate
- 10.3%
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 41, retrieved November 14, 2026.
| Measure | Ontario | Malheur County | Oregon |
|---|---|---|---|
| Population | 11,728 | 31,701 | 4,238,714 |
| Median household income | $43,887 | $49,902 | $80,426 |
| Median age | 35.4 | 36.2 | 40.1 |
| Median home value | $217,500 | $221,300 | $454,200 |
| Bachelor’s degree or higher | 17.9% | 15.5% | 36.2% |
| Foreign-born residents | 6.6% | 7.7% | 9.7% |
| Owner-occupied homes | 59.4% | 63.4% | 63.4% |
| Mean commute to work | 13.5 minutes | 18.6 minutes | 23.2 minutes |
Source: American Community Survey 5-year data profile 2019–2023, place level, state 41, retrieved November 14, 2026.
CommunityRules and moderation
Events in OntarioAll events
No upcoming event is listed in Ontario yet. Members and businesses add events from the Events page; each is screened before it shows.
Schools
| School | Type | Grades | District |
|---|---|---|---|
| Aiken Elementary School | Public | K–5 | Ontario SD 8C |
| Alameda Elementary School | Public | K–6 | Ontario SD 8C |
| May Roberts Elementary School | Public | K–6 | Ontario SD 8C |
| Ontario Middle School | Public | 7–8 | Ontario SD 8C |
| Ontario High School | Public | 9–12 | Ontario SD 8C |
| Four Rivers Community School | Charter | K–12 | Oregon Department of Education |
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.
Legislative districts
| Chamber | District |
|---|---|
| U.S. House of Representatives | Congressional District 2 (OR-2) |
| State legislature, lower chamber | State House District 60 |
| State legislature, upper chamber | State Senate District 30 |
Boundaries from the Census Bureau’s TIGER/Line district files, matched to Ontario’s own boundary. Who holds each seat appears on the People page once the official records are approved.
Sources: Census cartographic boundaries 2025: congressional districts, 119th Congress, retrieved November 14, 2026; Census cartographic boundaries 2025: state legislative districts, upper chamber, state 41, retrieved November 14, 2026; Census cartographic boundaries 2025: state legislative districts, lower chamber, state 41, retrieved November 14, 2026.
Frequently asked about OntarioPromoted from questions people asked
No question about Ontario has been asked often enough to publish an answer yet. Ask Ontario and the answer, once a person checks it, appears here.