Oregon is a state located in the Western United States that is divided into 36 counties and contains 135 census designated-places (CDPs) [1] . All population data is based on the 2010 census.
Oregon is a state in the Pacific Northwest region on the West Coast of the United States. The Columbia River delineates much of Oregon's northern boundary with Washington, while the Snake River delineates much of its eastern boundary with Idaho. The parallel 42° north delineates the southern boundary with California and Nevada. Oregon is one of only three states of the contiguous United States to have a coastline on the Pacific Ocean.
In the United States, a state is a constituent political entity, of which there are currently 50. Bound together in a political union, each state holds governmental jurisdiction over a separate and defined geographic territory and shares its sovereignty with the federal government. Due to this shared sovereignty, Americans are citizens both of the federal republic and of the state in which they reside. State citizenship and residency are flexible, and no government approval is required to move between states, except for persons restricted by certain types of court orders. Four states use the term commonwealth rather than state in their full official names.
The Western United States is the region comprising the westernmost states of the United States. As European settlement in the U.S. expanded westward through the centuries, the meaning of the term the West changed. Before about 1800, the crest of the Appalachian Mountains was seen as the western frontier. The frontier moved westward and eventually the lands west of the Mississippi River were considered the West.
Yamhill County is a county in the U.S. state of Oregon. As of the 2010 census, the population was 99,193. The county seat is McMinnville. The name's origin is probably an explorer's name for a local Native American tribe, the Yamhill, who are part of the North Kalapuyan family.
Wheeler County is a county in the U.S. state of Oregon. As of the 2010 census, the population was 1,441, making it Oregon's least populous county. The county seat is Fossil. It is named in honor of Henry H. Wheeler, an early settler who owned a farm near Mitchell.
Wallowa County is a county in the U.S. state of Oregon. As of the 2010 census, the population was 7,008, making it Oregon's fourth-least populous county. Its county seat is Enterprise. According to Oregon Geographic Names, the origins of the county's name are uncertain, with the most likely explanation being it is derived from the Nez Perce term for a structure of stakes used in fishing. An alternative explanation is that Wallowa is derived from a Nez Perce word for "winding water". The journals of Lewis and Clark Expedition record the name of the Wallowa River as Wil-le-wah.
Polk County is a county located in the U.S. state of Oregon. As of the 2010 census, the population was 75,403, making it the least populous county in the Willamette Valley. The county seat is Dallas. The county is named for James Knox Polk, the 11th president of the United States.
Multnomah County is one of 36 counties in the U.S. state of Oregon. As of the 2010 United States Census, the county's population was 735,334. Its county seat, Portland, is the state's largest city. Multnomah County is part of the Portland-Vancouver-Hillsboro, OR-WA Metropolitan Statistical Area, and though smallest in area, it is the state's most populous county.
Marion County is a county located in the U.S. state of Oregon. The population was 315,335 at the 2010 census, making it the fifth-most populous county in Oregon. The county seat is Salem, the state capital. The county was originally named the Champooick District, after Champoeg, a meeting place on the Willamette River. On September 3, 1849, the territorial legislature renamed it in honor of Francis Marion, a Continental Army general from South Carolina who served in the American Revolutionary War.
Lincoln County is a county located in the U.S. state of Oregon. As of the 2010 census, its population was 46,034. The county seat is Newport. The county is named for Abraham Lincoln, 16th president of the United States.
Lane County is a county in the U.S. state of Oregon. As of the 2010 census, the population was 351,715, making it the fourth-most populous county in Oregon. The county seat is Eugene. It is named in honor of Joseph Lane, Oregon's first territorial governor.
Jackson County is a county in the U.S. state of Oregon. As of the 2010 census, the population was 203,206. The county seat is Medford. The county is named for Andrew Jackson, the seventh president of the United States.
Gilliam County is a county located in the U.S. state of Oregon. As of the 2010 census, the population was 1,871, making it the third-least populous county in Oregon. The county seat is Condon. The county was established in 1885 and is named for Cornelius Gilliam, who commanded the forces of the provisional government of Oregon after the Whitman Massacre.
Deschutes County is a county in the U.S. state of Oregon. As of the 2010 census, the population was 157,733. The county seat is Bend. The county was created in 1916 out of part of Crook County and was named for the Deschutes River, which itself was named by French-Canadian trappers of the early 19th century. It is the political and economic hub of Central Oregon.
Coos County is a county in the U.S. state of Oregon. As of the 2010 census, the population was 63,043. The county seat is Coquille. The county was formed from the western parts of Umpqua and Jackson counties. It is named after a tribe of Native Americans who live in the region.
Clatsop County is a county in the U.S. state of Oregon. As of the 2010 census, the population was 37,039. The county seat is Astoria. The county is named for the Clatsop tribe of Native Americans, who lived along the coast of the Pacific Ocean prior to European settlement.
Clackamas County is a county in the U.S. state of Oregon. As of the 2010 census, the population was 375,992, making it Oregon's third-most populous county. Its county seat is Oregon City. The county was named after the Native Americans living in the area, the Clackamas Indians, who were part of the Chinookan people.
Benton County is a county in the U.S. state of Oregon. As of the 2010 census, the population was 85,579. Its county seat is Corvallis. The county was named after Thomas Hart Benton, a U.S. Senator who advocated American control over the Oregon Country.
Oregon County is a county located in the southern portion of the U.S. state of Missouri. As of the 2010 census, the population was 10,881. Its county seat is Alton. The county was officially organized on February 14, 1845, and was named for the Oregon Territory in the northwestern United States.
Ogle County is a county located in the U.S. state of Illinois. According to the 2010 United States Census, it had a population of 53,497. Its county seat is Oregon, and its largest city is Rochelle.
The Portland metropolitan area or Greater Portland is a metropolitan area in the U.S. states of Oregon and Washington centered on the principal city of Portland, Oregon. The U.S. Office of Management and Budget identifies it as the Portland–Vancouver–Hillsboro, OR–WA Metropolitan Statistical Area, a metropolitan statistical area used by the United States Census Bureau (USCB) and other entities. The OMB defines the area as comprising Clackamas, Columbia, Multnomah, Washington, and Yamhill Counties in Oregon, and Clark and Skamania Counties in Washington. The area's population is estimated at 2,753,168 in 2017.
Oregon's 2nd congressional district is the largest of Oregon's five districts, and is the seventh largest district in the nation. The district covers roughly two-thirds of the state, east of the Willamette Valley. It includes all of Baker, Crook, Deschutes, Gilliam, Grant, Harney, Hood River, Jackson, Jefferson, Klamath, Lake, Malheur, Morrow, Sherman, Umatilla, Union, Wallowa, Wasco, Wheeler counties, and part of eastern Josephine county, including some of the Grants Pass area.
The statistical areas of the United States of America comprise the metropolitan statistical areas (MSAs), the micropolitan statistical areas (μSAs), and the combined statistical areas (CSAs) currently defined by the United States Office of Management and Budget (OMB).