Ontario, Oregon Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Ontario, Oregon is 11,728 as of the 2023 American Community Survey, making it the 53rd-largest city in Oregon. The median household income is $43,887, the median home value is $217,500, and the median age is 35.4.
The population has grown 5.1% since 2010 (11,377 → 11,957).
11,728
Population
1960
People / sq mi
$43,887
Median Income
$217,500
Median Home Value
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Ontario covers 6.0 sq mi of land at 1960 people per square mile.
About Ontario, OR
Among US cities, Ontario stands out first on household income: a median of $43,887, below the US median of $78,538. With 11,728 residents, Ontario is a city in Oregon.
Incomes are among the lowest of comparable places, with a median household income of $43,887, below the US median of $78,538. Poverty sits at 15.8%, above the national 12.4%. Property is affordable here, the median home worth $217,500, with typical rent around $790.
College attainment is 17.9%, below the national 35.0%. Around 8.4% of workers work from home, below the national 14.0%, and the average commute runs about 14 minutes each way.
Ontario city Population History (2010-2024)
The city of Ontario city had a population of 11,377 in 2010 and 11,957 in 2024, a 5.1% growth over 14 years. The peak was 11,957 in 2024. Average annual growth rate: 0.37%.
11,957
Population (2024)
11,377
Population (2010)
11,957
Peak (2024)
0.37%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 11,377 |
| 2011 | 11,217 |
| 2012 | 11,124 |
| 2013 | 11,100 |
| 2014 | 11,006 |
| 2015 | 10,909 |
| 2016 | 10,961 |
| 2017 | 10,953 |
| 2018 | 11,005 |
| 2019 | 10,994 |
| 2020 | 11,767 |
| 2021 | 11,759 |
| 2022 | 11,823 |
| 2023 | 11,933 |
| 2024 | 11,957 |
Race & Ethnicity
| White | 69.4% |
| Black or African American | 0.7% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 4.6% |
| Two or More Races | 0.0% |
Economy & Income
$43,887
Median Household Income
$25,812
Per Capita Income
15.8%
Poverty Rate
3.0%
Unemployment Rate
Housing
$217,500
Median Home Value
$790
Median Rent
59.4%
Owner-Occupied
Education
84.2%
High School+
17.9%
Bachelor's+
Commute
0.0%
Drive Alone
77.5%
Public Transit
8.4%
Work From Home
13.5 min
Avg Commute
Community Profile
43.0%
Foreign Born
75.8%
Non-English at Home
6.9%
Veterans
17.3%
With Disability
90.6%
Health Insurance
90.5%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 19.9% |
| Education, Health Care & Social Services | 17.5% |
| Manufacturing | 17.3% |
| Finance, Insurance & Real Estate | 6.9% |
| Public Administration | 5.8% |
| Agriculture & Mining | 4.6% |
| Construction | 3.5% |
| Arts, Entertainment & Food Services | 2.3% |
| Information | 2.0% |
| Retail Trade | 1.8% |
| Transportation & Warehousing | 0.7% |
Largest cities in Oregon
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City rankings
Frequently Asked Questions
Ontario, Oregon has a population of 11,728 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 53rd-largest city in Oregon.
The median household income in Ontario, Oregon is $43,887, with 15.8% of residents living below the federal poverty level.
The median home value in Ontario, Oregon is $217,500, with median monthly rent at $790 and a homeownership rate of 59.4%.
The median age in Ontario, Oregon is 35.4 years. The population is 46.8% male and 53.2% female.
The population has grown 5.1% since 2010 (11,377 → 11,957).
Ontario city, OR Climate
Ontario city, OR has an average annual temperature of 10.6°C (51°F) and receives about 284 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
10.6°C
Avg Temp
284
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -2° / 28° | 39 mm |
| February | 1° / 34° | 29 mm |
| March | 7° / 44° | 28 mm |
| April | 10° / 51° | 20 mm |
| May | 15° / 59° | 25 mm |
| June | 20° / 67° | 21 mm |
| July | 24° / 74° | 8 mm |
| August | 23° / 74° | 9 mm |
| September | 17° / 63° | 13 mm |
| October | 11° / 52° | 17 mm |
| November | 4° / 39° | 35 mm |
| December | -1° / 29° | 40 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Ontario city, OR
The most comfortable months to visit Ontario city, OR are typically June, August and July, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 33°C high). The coldest is January (near -7°C low). December is usually the wettest month.
Where to stay near Ontario
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Statewide data for Oregon
Population, race, income, age, and trends across Oregon
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.