If you ever wondered how many inhabitants Ontario in Oregon has, here is the answer:
Ontario, Oregon has a population of 11,366 residents.
With an area of 13.38 sq km (5.17 sq mi), that comes down to a population density of 849.48 inhabitants per square kilometer (2198.45 / sq mi).
As a reference: New York City has a population of 8,398,748 inhabitants and a population density of 6918 inhabitants per square kilometer (17918 / sq mi).

Ontario is the largest city in Malheur County, Oregon, United States. It lies along the Snake River at the Idaho border. The population was 11,366 at the 2010 census. The city is the largest community in the region of far eastern Oregon, also known as the Western Treasure Valley.Ontario is the principal city of the Ontario, OR-ID Micropolitan Statistical Area, which includes Malheur County in Oregon and Payette County in Idaho.Ontario is approximately halfway between Portland and Salt Lake City. It is the closest city to the Idaho border along Interstate 84. The city’s slogan is “Where Oregon Begins”.
Cities with a similar population size as Ontario
Here a list of cities that have a similar number of inhabitants like Ontario, Oregon:
- Muscle Shoals, Alabama with a population of 13,146 people
- Indianola, Mississippi with a population of 12,066 people
- Rio Grande City, Texas with a population of 13,834 people
- Jeannette, Pennsylvania with a population of 10,654 people
- Arkadelphia, Arkansas with a population of 10,548 people
- Marshall, Missouri with a population of 13,065 people
- Ocean City, New Jersey with a population of 11,701 people
- Gardendale, Alabama with a population of 13,735 people
- Chippewa Falls, Wisconsin with a population of 13,661 people
- Panama City Beach, Florida with a population of 12,018 people
Cities with a similar size as Ontario
If you want to check which cities have a similar size as Ontario, Oregon, here you go:
- Ukiah, California with 12.23 square kilometers, population: 15,497
- Gloversville, New York with 13.09 square kilometers, population: 15,665
- Plainfield, New Jersey with 15.46 square kilometers, population: 49,808
- University City, Missouri with 15.20 square kilometers, population: 35,371
- Dallas, Georgia with 11.80 square kilometers, population: 11,544
- Burley, Idaho with 16.68 square kilometers, population: 10,345
- Jerome, Idaho with 14.44 square kilometers, population: 10,890
- Dardenne Prairie, Missouri with 13.38 square kilometers, population: 11,494
- Arroyo Grande, California with 15.11 square kilometers, population: 17,716
- San Bruno, California with 14.14 square kilometers, population: 41,114
Cities with a similar population density as Ontario
Other cities that have a similar population density as Ontario, Oregon are:
- Everett, Washington with a population density of 824 people per sq km (2,133 / sq mi).
- Dixon, California with a population density of 981 people per sq km (2,542 / sq mi).
- Kingston, New York with a population density of 1,052 people per sq km (2,724 / sq mi).
- Lafayette, Louisiana with a population density of 864 people per sq km (2,237 / sq mi).
- South Bend, Indiana with a population density of 934 people per sq km (2,420 / sq mi).
- Columbus, Nebraska with a population density of 820 people per sq km (2,124 / sq mi).
- Tulsa, Oklahoma with a population density of 775 people per sq km (2,007 / sq mi).
- Manhattan, Kansas with a population density of 1,044 people per sq km (2,703 / sq mi).
- Ashtabula, Ohio with a population density of 934 people per sq km (2,418 / sq mi).
- Cuyahoga Falls, Ohio with a population density of 756 people per sq km (1,959 / sq mi).
Cities from the same state: Oregon
Let’s see what other cities Oregon has to offer:
- La Grande, Oregon with 13,082 inhabitants
- Lebanon, Oregon with 15,518 inhabitants
- Redmond, Oregon with 23,500 inhabitants
- Lebanon, Oregon with 15,518 inhabitants
- Monmouth, Oregon with 10,174 inhabitants
- Newberg, Oregon with 22,110 inhabitants
- Coos Bay, Oregon with 15,967 inhabitants
- Damascus, Oregon with 10,539 inhabitants
- Troutdale, Oregon with 15,962 inhabitants
- Keizer, Oregon with 36,478 inhabitants
Cities with the same name “Ontario”
Same name but different game – do we have sister cities from other states:
- Ontario, California with a population of 163,924 residents
