Pittsburg, Oregon

Pittsburg, Oregon
Unincorporated community
Building in Pittsburg
Pittsburg Show map of Oregon Pittsburg Show map of the US Location within the state of Oregon
Coordinates: 45°54′3″N 123°9′4″W / 45.90083°N 123.15111°W / 45.90083; -123.15111Coordinates: 45°54′3″N 123°9′4″W / 45.90083°N 123.15111°W / 45.90083; -123.15111
Country	United States
State	Oregon
County	Columbia
Elevation	584 ft (178 m)
Time zone	Pacific (PST) (UTC-8)
• Summer (DST)	PDT (UTC-7)
ZIP code	97064
Area code(s)	503 and 971
GNIS feature ID	1125453

Pittsburg is an unincorporated community in Columbia County, Oregon, United States. Pittsburg is located on the Nehalem River near its confluence with the East Fork Nehalem River. The Scappose-Vernonia road and the St. Helens-Pittsburg road join Oregon Route 47 near Pittsburg. Pittsburg's elevation is 584 feet (178 m).

Pittsburg was named by early area resident Peter Brous, who settled there in 1879 and built a sawmill and a gristmill. Brous named the community for Pittsburgh, Pennsylvania, having formerly lived in that state. The Oregon post office was established with the name "Pittsburgh" on April 17, 1879, with Brous as the postmaster. The name was changed to "Pittsburg" in 1892 and the post office was discontinued in 1908.