Ontario, OR Profile: Facts, Map & Data


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Ontario, Oregon - Basic Facts

The City of Ontario had a population of 11,260 as of July 1, 2017. Ontario ranks in the upper quartile for Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Oregon. See peer rankings below.

The primary coordinate point for Ontario is located at latitude 44.0259 and longitude -116.976 in Malheur County. The formal boundaries for the City of Ontario (see map below) encompass a land area of 5.17 sq. miles and a water area of 0 sq. miles. Malheur County is in the Mountain time zone (GMT -7). The elevation is 2,152 feet.

The City of Ontario (GNIS ID: 2411324) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

Oregon is one of 20 states where Census County Divisions (CCDs) are used for statistical tracking of subdivisions within each county. The City of Ontario is located within Ontario Division of Malheur County.

Beneath the boundary map are tables with Ontario population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

EXTREMELY LOCAL Demographic Data

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City of Ontario, OR Boundary Map

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Boundary Maps: Ontario Division | Malheur County | Oregon Counties

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Ontario, OR Data & Demographics (As of July 1, 2017)


Total Population 11,260
Daytime Population: Workers 9,384
Daytime Population: Residents 6,983
Total Daytime Population (TDP) 16,367
Ratio TDP/Total Population1 1.45
Population in Households 10,997
Population in Familes 8,667
Population in Group Qrtrs 263
Population Density2 2,180
Diversity Index3 76


Median Household Income $33,851
Average Household Income $49,176
Per Capita Income $18,697


Total Housing Units 4,641 (100%)
Owner Occupied HU 2,206 (47.5%)
Renter Occupied HU 2,034 (43.8%)
Vacant Housing Units 401 ( 8.6%)
Median Home Value $135,484
Average Home Value $163,837


Total Households 4,240
Average Household Size 2.59
Family Households 2,660
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population -0.13% -0.34%
Households -0.11% -0.33%
Families -0.09% -0.42%
Median Household Income   0.22%
Per Capita Income   1.74%

Ontario, OR - Peer Comparisons by Rank and Percentile

The table below compares Ontario to the other 378 incorporated cities, towns and CDPs in Oregon by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 54 86th
Population Density # 110 71st
Diversity Index # 12 97th
Median Household Income # 355 6th
Per Capita Income # 350 8th

Additional comparisons and rankings can be made with a VERY EASY TO USE Oregon Census Data Comparison Tool.

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