Outline of Oregon

The obverse of the Flag of the State of Oregon

The Seal of the State of Oregon

The location of the state of Oregon in the United States

The following outline is provided as an overview of and topical guide to the U.S. state of Oregon:

General reference[]

An enlargeable map of the state of Oregon

Names
- Common name: Oregon
  - Pronunciation: /ˈɒrɪɡən/ (listen) ORR-i-gən
- Official name: State of Oregon
- Abbreviations and name codes
  - Postal symbol: OR
  - ISO 3166-2 code: US-OR
  - Internet second-level domain: .or.us
- Nicknames
  - Beaver State
  - Union State
  - Pacific Wonderland (previously used on license plates)^[1]
  - Sunset State
Adjectivals
- Oregon
- Oregonian
Demonym: Oregonian

Geography of Oregon[]

Geography of Oregon

Oregon is: a U.S. state, a federal state of the United States of America
Location
- Northern hemisphere
- Western hemisphere
  - Americas
    - North America
      - Anglo America
      - Northern America
        United States of America
        Contiguous United States
        Western United States
        West Coast of the United States
        
        Northwestern United States
        
        Pacific Northwest
Population of Oregon: 3,831,074 (2010 U.S. Census^[2])
Area of Oregon^[3]
- Total 98,380.64 square miles (254,804.7 km²) (9th)
- Land: 95,996.79 square miles (248,630.5 km²) (10th)
- Water: 2,383.85 square miles (6,174.1 km²) (19th)
Atlas of Oregon

Places in Oregon[]

Places in Oregon

Environment of Oregon[]

Climate of Oregon
Geology of Oregon
Protected areas in Oregon
- State forests of Oregon
Superfund sites in Oregon
Wildlife of Oregon
- Flora of Oregon
- Fauna of Oregon
  - Birds of Oregon
  - Amphibians and reptiles of Oregon

Natural geographic features of Oregon[]

Beaches of Oregon
Lakes of Oregon
Mountains of Oregon
Rivers of Oregon

Regions of Oregon[]

Regions of Oregon

Administrative divisions of Oregon[]

An enlargeable map of the 36 counties of the state of Oregon

The 36 counties of the state of Oregon
- Cities in Oregon
  - State capital of Oregon: Salem
  - Largest city in Oregon: Portland (23rd most populous city in the United States as of July 2006.^[4])
  - City nicknames in Oregon
- Unincorporated communities in Oregon
- Census-designated places in Oregon

Demography of Oregon[]

Demographics of Oregon

Government and politics of Oregon[]

Politics of Oregon

Branches of the government of Oregon[]

Government of Oregon

Executive branch of the government of Oregon[]

Governor of Oregon
- Lieutenant Governor of Oregon
- Secretary of State of Oregon
- State Treasurer of Oregon
State departments
- Oregon Department of Transportation

Legislative branch of the government of Oregon[]

Oregon Legislative Assembly (bicameral)
- Upper house: Oregon Senate
- Lower house: Oregon House of Representatives

Judicial branch of the government of Oregon[]

Courts of Oregon

Supreme Court of Oregon

Law and order in Oregon[]

Law of Oregon

Adoption in Oregon
Cannabis in Oregon
Capital punishment in Oregon
- Individuals executed in Oregon
Constitution of Oregon
Crime in Oregon
Gun laws in Oregon
Law enforcement in Oregon
- Law enforcement agencies in Oregon
  - Oregon State Police
Same-sex marriage in Oregon

Military in Oregon[]

History of Oregon[]

History of Oregon

History of Oregon, by period[]

Prehistory of Oregon
Indigenous peoples
Early European exploration, 1565–1818
- Juan José Pérez Hernández's northern voyage, 1774
- Robert Gray explores and names the Columbia River, 1792
- William Robert Broughton's voyage to the Columbia River Gorge, 1792
- Lewis and Clark Expedition, 1804–1806
- Astor Expedition, 1810–1812
Oregon pioneer history, 1810–1859
- Fort Astoria, 1811–1848
- Overton Johnson and William Winter expedition, 1843: Johnson, Overton; Winter, William H. (1846). Route across the Rocky Mountains with a Description of Oregon and California . reproduced in the Oregon Historical Quarterly, 1906.
Oregon Country, 1818–1846
- Anglo-American Convention of 1818
- Oregon boundary dispute, 1824–1846
- Oregon missionaries, 1834–1846
- Provisional Government of Oregon, 1843–1848
- Oregon Treaty of 1846
Unorganized territory of the United States, 1846–1848
- Mexican–American War, April 25, 1846 – February 2, 1848
  - Treaty of Guadalupe Hidalgo, February 2, 1848
- Cayuse War, 1847–1855
Territory of Oregon, 1848–1859
- State of Deseret (extralegal), 1849–1850
- Anti-Chinese violence in Oregon
- Rogue River Wars, 1855–1856
State of Oregon becomes 33rd state admitted to the United States of America on February 14, 1859
- American Civil War, April 12, 1861 – May 13, 1865
  - Oregon in the American Civil War
- Nez Perce War, 1877
- Spanish–American War, April 25 – August 12, 1898
- Crater Lake National Park established on May 22, 1902
- Bonneville Dam completed, 1937
- Mount Saint Helens eruption of 1980

History of Oregon, by region[]

By city
- History of Eugene, Oregon
- History of Portland, Oregon
- History of Salem, Oregon
By county
- History of Baker County, Oregon
- History of Benton County, Oregon
- History of Clackamas County, Oregon
- History of Clatsop County, Oregon
- History of Columbia County, Oregon
- History of Coos County, Oregon
- History of Crook County, Oregon
- History of Deschutes County, Oregon
- History of Douglas County, Oregon
- History of Gilliam County, Oregon
- History of Grant County, Oregon
- History of Harney County, Oregon
- History of Hood River County, Oregon
- History of Jackson County, Oregon
- History of Jefferson County, Oregon
- History of Josephine County, Oregon
- History of Klamath County, Oregon
- History of Lake County, Oregon
- History of Lane County, Oregon
- History of Lincoln County, Oregon
- History of Linn County, Oregon
- History of Malheur County, Oregon
- History of Marion County, Oregon
- History of Multnomah County, Oregon
- History of Polk County, Oregon
- History of Sherman County, Oregon
- History of Tillamook County, Oregon
- History of Umatilla County, Oregon
- History of Union County, Oregon
- History of Wallowa County, Oregon
- History of Wasco County, Oregon
- History of Washington County, Oregon
- History of Wheeler County, Oregon
- History of Yamhill County, Oregon