|Elevation||4,111 ft (1,253 m)|
|Time zone||Pacific (PST) (UTC-8)|
|• Summer (DST)||PDT (UTC-7)|
|Area code(s)||458 and 541|
|GNIS feature ID||1136770|
Sparta is an unincorporated community in Baker County, Oregon, United States. It was named for Sparta, Illinois, by William H. Packwood, a prominent Oregon pioneer who visited the gold diggings at the Powder River there in 1871.
The town was platted in 1872, and the post office was established in 1872 and ran until 1952. The post office was originally named "Gem" in 1871 and was moved about a mile east when it was renamed Sparta to match the established community. The locale was also known as "Eagle City".
- "Sparta". Geographic Names Information System. United States Geological Survey. November 28, 1980. Retrieved November 10, 2016.
- McArthur, Lewis A.; McArthur, Lewis L. (2003) . Oregon Geographic Names (7th ed.). Portland, Oregon: Oregon Historical Society Press. pp. 899–900. ISBN 978-0875952772.
- Bailey, Barbara Ruth (1982). Main Street: Northeastern Oregon. Oregon Historical Society. pp. 20, 44. ISBN 0-87595-073-6.
- Historic image of Sparta from Salem Public Library
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