Pittsburg, Oregon

{{Short description| Unincorporated community in the state of Oregon, United States}}

{{Use American English|date=July 2025}}

{{Use mdy dates|date=July 2023}}

{{Infobox settlement

|name = Pittsburg, Oregon

|official_name =

|settlement_type = Unincorporated community

|nickname =

|motto =

|image_skyline = Bluehouse1.jpg

|imagesize =

|image_caption = Building in Pittsburg

|image_flag =

|image_seal =

|pushpin_map = USA Oregon#USA

|pushpin_label = Pittsburg

|pushpin_label_position = left

|pushpin_map_caption = Location within the state of Oregon

|pushpin_mapsize =

|image_map =

|map_caption = Location within Columbia county

|image_map1 =

|mapsize1 =

|map_caption1 =

|subdivision_type = Country

|subdivision_name = United States

|subdivision_type1 = State

|subdivision_name1 = Oregon

|subdivision_type2 = County

|subdivision_name2 = Columbia

|government_footnotes =

|government_type =

|leader_title =

|leader_name =

|leader_title1 =

|leader_name1 =

|established_title =

|established_date =

|unit_pref = Imperial

|area_footnotes =

|area_magnitude =

|area_total_km2 =

|area_land_km2 =

|area_water_km2 =

|population_as_of = 2000

|population_footnotes =

|population_total =

|population_density_km2 = auto

|timezone = Pacific (PST)

|utc_offset = -8

|timezone_DST = PDT

|utc_offset_DST = -7

|elevation_footnotes =

|elevation_ft = 584

|coordinates = {{coord|45|54|3|N|123|9|4|W|type:city_region:US-OR|display=inline,title}}

|postal_code_type = ZIP code

|postal_code = 97064

|area_code = 503 and 971

|blank_name = FIPS code

|blank_info =

|blank1_name = GNIS feature ID

|blank1_info = 1125453

|website =

|footnotes =

}}

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 Scappoose-Vernonia road and the St. Helens-Pittsburg road join Oregon Route 47 near Pittsburg.[http://egov.oregon.gov/ODOT/TD/TDATA/gis/docs/countymaps/colu1.pdf Oregon Transportation Map: Columbia County] Pittsburg's elevation is {{convert|584|ft|m}}.{{GNIS|1125453|name=Pittsburg}}

Pittsburg was named by early area resident Peter Brous, who settled there in 1879 and built a sawmill and a gristmill.{{cite book |last= McArthur |first= Lewis A. |author-link= Lewis A. McArthur |author2=Lewis L. McArthur |author2-link=Lewis L. McArthur |title= Oregon Geographic Names |orig-year= 1928 |edition= 7th |year= 2003 |publisher= Oregon Historical Society Press |location= Portland, Oregon |isbn= 0-87595-277-1 |pages=767–768 }} 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.