Ontario Flag

Ontario

County:
Malheur County
County Seat:
No
Area (mi²):
5.985
State:
Oregon

Ontario is a city located in Malheur County, Oregon. Ontario has a 2026 population of 12,052. Ontario is currently growing at a rate of 0.4% annually and its population has increased by 2.42% since the most recent census, which recorded a population of 11,767 in 2020.

The median household income in Ontario is $46,308 with a poverty rate of 20.99%. The median age in Ontario is 35.2 years: 34.1 years for males, and 35.8 years for females. For every 100 females there are 89.6 males.

12.1K
Total Population
2,014
Density (mi²)
48 0.4%
Growth

Ontario Population

Demographics

Economics and Income Statistics

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)