Malheur County, Oregon

Malheur County
County
Malheur County Courthouse in Vale
Location within the U.S. state of Oregon
Oregon's location within the U.S.
Coordinates: 43°13′N 117°38′W / 43.21°N 117.63°W / 43.21; -117.63
Country	United States
State	Oregon
Founded	February 17, 1887
Named for	Malheur River
Seat	Vale
Largest city	Ontario
Government
• County Judge	Dan Joyce
Area
• Total	9,930 sq mi (25,700 km2)
• Land	9,888 sq mi (25,610 km2)
• Water	42 sq mi (110 km2)  0.4%
Population  (2020)
• Total	31,571
• Estimate  (2023)	32,044
• Density	3.2/sq mi (1.2/km2)
Time zones
primary	UTC−7 (Mountain)
• Summer (DST)	UTC−6 (MDT)
southern fifth	UTC−8 (Pacific)
• Summer (DST)	UTC−7 (PDT)
Congressional district	2nd
Website	www.malheurco.org

Malheur County (/mælˈhɪər/ mal-HEER) is one of the 36 counties in the U.S. state of Oregon. As of the 2020 census, the population was 31,571.^[1] Its county seat is Vale,^[2] and its largest city is Ontario. The county was named after the Malheur River, which runs through the county. The word "malheur" is French for misfortune or tragedy.^[3] Malheur County is included in the Ontario, Oregon Micropolitan Statistical Area, which is also included in the Boise Combined Statistical Area. It is included in the eight-county definition of Eastern Oregon.