Outline of Oregon
The following outline is provided as an overview of and topical guide to the U.S. state of Oregon: == General reference == Names Common name: Oregon Pronunciation: 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) 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) Area of Oregon 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 Historic places in Oregon Abandoned communities in Oregon Ghost towns in Oregon Carnegie libraries in Oregon National Historic Landmarks in Oregon National Register of Historic Places listings in Oregon Bridges on the National Register of Historic Places in Oregon National Register of Historic Places listings in Oregon National Register of Historic Places listings in Clackamas County, Oregon National Register of Historic Places listings in Columbia County, Oregon National Register of Historic Places listings in Hood River County, Oregon National Register of Historic Places listings in Jackson County, Oregon National Register of Historic Places listings in Lane County, Oregon National Register of Historic Places listings in Marion County, Oregon National Register of Historic Places listings in Multnomah County, Oregon National Register of Historic Places listings in Wasco County, Oregon National Register of Historic Places listings in Washington County, Oregon National Register of Historic Places listings in North Portland, Oregon National Register of Historic Places listings in Northeast Portland, Oregon National Register of Historic Places listings in Northwest Portland, Oregon National Register of Historic Places listings in Southeast Portland, Oregon National Register of Historic Places listings in Southwest Portland, Oregon National Natural Landmarks in Oregon State parks 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 Central Oregon Eastern Oregon Southern Oregon Southeastern Oregon Western Oregon Oregon Coast ==== Administrative divisions 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.) 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 Form of government: U.S. state government Oregon's congressional delegations Oregon State Capitol Elections in Oregon Electoral reform in Oregon Political party strength in 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 === Oregon Air National Guard Oregon Army National Guard == History of Oregon == History of Oregon Timeline of Oregon history === History of Oregon, by period === Prehistory of Oregon Kennewick Man Marmes Rockshelter Paisley Caves 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 .