Cayuse, Oregon

Cayuse, Oregon
Location of Cayuse, Oregon
Coordinates: 45°40′35″N 118°34′25″W / 45.67639°N 118.57361°W / 45.67639; -118.57361
CountryUnited States
StateOregon
CountyUmatilla
Area
 • Total
2.88 sq mi (7.46 km2)
 • Land2.88 sq mi (7.46 km2)
 • Water0 sq mi (0.00 km2)
Elevation
1,388 ft (423 m)
Population
 (2020)
 • Total
66
 • Density22.9/sq mi (8.85/km2)
Time zoneUTC-8 (Pacific (PST))
 • Summer (DST)UTC-7 (PDT)
ZIP code
97801
Area codes458 and 541
FIPS code41-11900
GNIS feature ID2407996

Cayuse is a census-designated place (CDP) and unincorporated community in Umatilla County, Oregon, United States, located 11 miles (18 km) east of Pendleton on the Umatilla Indian Reservation. As of the 2020 census, Cayuse had a population of 66. It is part of the Pendleton–Hermiston Micropolitan Statistical Area.

Served by a railroad station and post office, the area was named for the Cayuse people. The post office was established in 1867 and discontinued in 2002.