Malheur County, Oregon Cities (2024)

Note: As defined by the US Census Bureau, a city's official boundaries often extend miles beyond the city itself and may even cross county lines. As such, several thousand US cities officially exist in two or more counties (and therefore appear on multiple counties' lists of cities.)

City
Rank
2024 Pop.
2020 Pop.
Change
Density (/mi²)
Area (mi²)
Type
Ontario111,90711,7410.35%2,0025.9City
Nyssa23,2673,2110.43%2,1081.6City
Vale31,9421,9040.47%1,6701.2City
Riverside43782763.56%6180.6CDP
Annex53492462.35%1422.5CDP
Harper61961043.16%287.0CDP
Adrian71561520.65%6390.2City
Jordan Valley81391350.73%672.1City
Juntura924284.35%102.3CDP
Brogan10192111.77%72.9CDP

Note: City markers shown outside the county boundary mean that a part of the city extends into this county, but is primarily located in an adjacent county.

What is the largest city in Malheur County, Oregon?

Ontario is the largest city in Malheur County.

What is the smallest city in Malheur County, Oregon?

Brogan is the smallest city in Malheur County.

How many cities are in Malheur County?

There are 10 cities in Malheur County, Oregon.

Frequently Asked Questions