unincorporated community
An unincorporated area is a parcel of land that is not governed by a local general-purpose municipal corporation. (At p. 178.) They may be governed or serviced by an encompassing unit (such as a county) or another branch of the state (such as th ...
in
Umatilla County, Oregon
Umatilla County () is one of the List of counties in Oregon, 36 counties in the U.S. state of Oregon. The population of 81,826 ranks it as the 14th largest in Oregon, and largest in Eastern Oregon. Hermiston, Oregon, Hermiston is the largest ci ...
U.S. Route 30
U.S. Route 30 or U.S. Highway 30 (US 30) is an east–west main route of the United States Numbered Highway System, with the highway traveling across the Northern U.S. With a length of , it is the third-longest U.S. Highway, afte ...
Umatilla River
The Umatilla River is an tributary of the Columbia River in northern Umatilla County, Oregon, Umatilla County, Oregon, United States. drainage basin, Draining a basin of , it enters the Columbia near the city of Umatilla, Oregon, Umatilla in the ...
.
Rieth was an important division point of the
Oregon–Washington Railroad and Navigation Company
The Oregon Railroad and Navigation Company (OR&N) was a Rail transport company, rail and Steamboats of the Columbia River, steamboat transport company that operated a rail network of running east from Portland, Oregon, Portland, Oregon, United ...
, which named the station at the new shops and terminals it constructed there after a local pioneer family, the Rieths. The railway's Pilot Rock Line, constructed in 1907, joined the mainline in Rieth. This line was once the Umatilla Central Railroad. In 1917, the
Post Office Department
The United States Post Office Department (USPOD; also known as the Post Office or U.S. Mail) was the predecessor of the United States Postal Service, established in 1792. From 1872 to 1971, it was officially in the form of a Cabinet departme ...
established an office named "Reith". The name was soon corrected by the
United States Board on Geographic Names
The United States Board on Geographic Names (BGN) is a Federal government of the United States, federal body operating under the United States Secretary of the Interior. The purpose of the board is to establish and maintain uniform usage of geogr ...
. The post office closed in 1971. The main railroad yards, now owned by
Union Pacific
The Union Pacific Railroad is a Class I freight-hauling railroad that operates 8,300 locomotives over routes in 23 U.S. states west of Chicago and New Orleans. Union Pacific is the second largest railroad in the United States after BNSF, ...
, were later moved to Hinkle.
In 1922, Rieth had a population of 200, a school, a store, and other businesses. In 1940 Rieth had a population of 45.