What is the population of Malheur County?

The population of Malheur County, OR is 30,983.

Where is Malheur County located?

Malheur County, OR is located at latitude 43.1934100 and longitude -117.6230700. It is in United States.

What is the area of Malheur County?

The area of Malheur County, OR is 25719 km².

What is the elevation of Malheur County?

Malheur County, OR has an elevation of 1289 meters (4229 feet) above sea level.

What time zone is Malheur County in?

Malheur County, OR is in the America/Boise time zone.

How has the population of Malheur County changed?

The population of Malheur County, OR has decreased from 31,313 (2010) to 30,983 (2020), a change of -1.1%.

Malheur County, Oregon

Malheur County: county in Oregon, United States

About

Malheur County is a county located in the U.S. state of Oregon. As of the 2010 census, the population was 31,313 and a population density of 1 people per km². After 10 years in 2020 county had an estimated population of 30,983 inhabitants. Its county seat is Vale. The county was created 139 years ago in 1886.

Malheur County locator map — Location of Malheur County on Oregon map.

County Snapshot

Malheur County at a glance

Malheur County currently has 5 quality-checked populated place pages linked on MapSof, making it easier to jump from the county overview into local city pages.

Browse county places

Mapped populated places

These counts use a stricter populated-place filter so the main lists stay focused on real city and town pages.

Oregon counties

Open related pages

Largest city

Ontario

Population 11,140

Quick Facts about Malheur County

Population	30,983 (2020)
Country	United States of America
State	Oregon (United States)
Area	25719 km²
Water as percent of area	0.4%
Land as percent of area	99.6%
Latitude & Longitude	43.1934,-117.6231
Named for	Malheur River
Altitude	4,373 feet / 1333 meters
Capital	Vale
Establishment	January 01, 1887
Time Zone	America/Boise
Local time	17:58:20 (18th April 2026)
Density	1 Pop. per km² as of 2020
Population growth	-1.07% (2010-2020)
Weather	30℉ Partly Cloudy 7-days weather

Malheur County Courthouse image

Geography

Malheur County is located at 43°11'36"N 117°37'23"W (43.1934100, -117.6230700). It has 8 neighbors: Baker County, Grant County, Canyon County, Owyhee County, Payette County, Washington County, Humboldt County and Harney County.

Malheur County map

Click "full screen"

icon to open full mode. View satellite images

The largest city of Malheur County is Ontario with a population of 11,140. Other cities include, Nyssa population 3,231, Vale population 1,806, Jordan Valley population 181 and Adrian population 175. See all Malheur County cities & populated places.

Malheur County Populated Places

Cities, towns, neighborhoods & other populated places in Malheur County.

City Name	Population	Title
Ontario	11,140	City in Oregon, USA
Nyssa	3,231	City in Malheur County, Oregon, United States
Vale	1,806	City in Oregon, USA
Jordan Valley	181	City in Oregon, USA
Adrian	175	City in Oregon, USA

Weather

30°F

Partly Cloudy

2 to 8 mph E Tonight

Partly cloudy, with a low around 30. East wind 2 to 8 mph.

7-Day Forecast

Official website of Malheur County

Official Website

Malheur County has 8 neighbours.

Baker County county in Oregon, United States
Grant County county in Oregon, United States
Canyon County county in Idaho, United States
Owyhee County county in Idaho, United States
Payette County county in Idaho, United States
Washington County county in Idaho, United States
Humboldt County county in Nevada, United States
Harney County county in Oregon, United States

Demographics

According to census records, the population of Malheur County decreased by 1.07% in 10 years.

Year	Population	% Change	Method
2010	31,313	-	census
2011	30,964	-1.13%	estimation process
2012	30,751	-0.69%	estimation process
2013	30,634	-0.38%	estimation process
2014	30,344	-0.96%	estimation process
2015	30,211	-0.44%	estimation process
2016	30,340	0.43%	estimation process
2017	30,385	0.15%	estimation process
2018	30,553	0.55%	estimation process
2019	30,571	0.06%	estimation process
2020	30,983	1.33%	estimation process

Comitatul Malheur, Comte de Malheur, Comté de Malheur, Condado de Malheur, Condado han Malheur, Contea di Malheur, Hrabstwo Malheur, Maler, Malher srjan, Malheur, Malheur Comitatus, Malheur Kun, Malheur Kūn, Malheur konderria, Malheur megye, Malkhiur, Malur, Okrug Malkhir, Quan Malheur, Quận Malheur, ma lu er xian, malahe'ura ka'unti, maruhyua jun, mqatʿt mahwr, shhrstan malhwr awrgn, Малер, Малур, Малхиър, Округ Малхир, Մալհեր շրջան, شهرستان مالهور، اورگن, مالہیر کاؤنٹی، اوریگون, مقاطعة ماهور, মালহেউর কাউন্টি, マルヒュア郡, 馬盧爾縣

Oregon Other Counties (more counties)

County Name	Population	Title
Multnomah County	815,637	County in Oregon, United States
Portland	656,751	The twenty-sixth most populous city in the United States and the center of the Portland metropolitan area.
Washington County	603,514	County in Oregon, United States
Clackamas County	421,596	County in Oregon, United States
Lane County	382,986	County in Oregon, United States
Marion County	349,204	County in Oregon, United States
Jackson County	221,844	County in Oregon, United States
Deschutes County	201,769	County in Oregon, United States
Salem	175,891	The capital of Oregon.
Eugene	173,236	The second most populous city in Oregon.
Linn County	131,054	County in Oregon, United States
Terrebonne	117,664	Census-designated place in Deschutes County, Oregon
Douglas County	111,364	County in Oregon, United States
Hillsboro	110,985	The most populous city in Washington County, Oregon.
Gresham	110,031	The second most populous city in Multnomah County, Oregon.
Yamhill County	107,664	County in Oregon, United States