Oregon's 4th congressional district represents the southern half of Oregon's coastal counties, including Coos

Coos County, Oregon

-National protected areas:*Bandon Marsh National Wildlife Refuge*Oregon Islands National Wildlife Refuge *Siskiyou National Forest *Siuslaw National Forest - Incorporated cities:- Unincorporated communities and CDPs:-See also:...

, Curry

Curry County, Oregon

Curry County is a county located in the U.S. state of Oregon. In 2010, its population was 22,364. The county is named for George Law Curry, a governor of the Oregon Territory. The seat of the county is Gold Beach.-Economy:...

, Douglas

Douglas County, Oregon

-National protected areas:* Crater Lake National Park * Rogue River-Siskiyou National Forest * Siuslaw National Forest * Umpqua National Forest * Willamette National Forest -Adjacent counties:* Lane County, Oregon -...

, Lane

Lane County, Oregon

-National protected areas:*Oregon Islands National Wildlife Refuge *Siuslaw National Forest *Umpqua National Forest *Willamette National Forest -Government:...

, and Linn

Linn County, Oregon

Linn County is a county located in the U.S. state of Oregon. It is named in honor of Lewis F. Linn, a U.S. Senator from Missouri who advocated the American occupation of the Oregon Country. By the 2010 US census the population of Linn county was 116,672 showing a 13.2% growth since the 2000 census...

 counties and most of Benton

Benton County, Oregon

-National protected areas:*Siuslaw National Forest *William L. Finley National Wildlife Refuge-Demographics:As of the census of 2000, there were 78,153 people, 30,145 households, and 18,237 families residing in the county. The population density was 116 people per square mile . There were 31,980...

 and Josephine

Josephine County, Oregon

Josephine County is a county located in the U.S. state of Oregon. According to Oregon Geographic Names, the county is probably named after a stream in the area called Josephine Creek, which in turn is probably named after Virginia Josephine Rollins Ort. In 2010, its population was 82,713...

 counties. It gained most of Josephine County from the 2nd district

Oregon's 2nd congressional district

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...

 in the 2002 redistricting, but also lost most of the Grants Pass area

Grants Pass, Oregon

-Rogue River:The Rogue River runs through Grants Pass.-Demographics:As of the census of 2000, there were 23,003 people, 9,376 households, and 5,925 families residing in the city. The population density was . There were 9,885 housing units at an average density of 1,303.3 per square mile . By 2008,...

 to the second district.

The district has been represented by Democrat Peter A. DeFazio since 1987.

List of representatives

Representative	Party	Years	District home	Notes
District created		January 3, 1943
Harris Ellsworth Harris Ellsworth Mathew Harris Ellsworth was a Republican U.S. congressman from Oregon.-Early life:Born in Hoquiam, Washington, Ellsworth moved together with his parents to Eugene, Oregon and later to nearby Wendling, where he attended public schools. In 1922, he graduated with a journalism degree from the...	Republican Republican Party (United States) The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...	January 3, 1943 – January 3, 1957	Roseburg Roseburg, Oregon Roseburg is a city in the U.S. state of Oregon. It is the county seat of Douglas County. The population was 21,181 at the 2010 census.-History:...
Charles O. Porter Charles O. Porter Charles Orlando Porter was a politician from the U.S. state of Oregon.-Early life:Born in Klamath Falls, Oregon, to Frank Porter and Ruth Peterson, he graduated from high school in Eugene, Oregon and then went on to graduate from Harvard University with a B.S. in 1941...	Democratic Democratic Party (United States) The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...	January 3, 1957 – January 3, 1961	Eugene Eugene, Oregon Eugene is the second largest city in the U.S. state of Oregon and the seat of Lane County. It is located at the south end of the Willamette Valley, at the confluence of the McKenzie and Willamette rivers, about east of the Oregon Coast.As of the 2010 U.S...
Edwin R. Durno	Republican Republican Party (United States) The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...	January 3, 1961 – January 3, 1963	Medford Medford, Oregon Medford is a city in Jackson County, Oregon, United States. As of the 2010 US Census, the city had a total population of 74,907 and a metropolitan area population of 207,010, making the Medford MSA the 4th largest metro area in Oregon...
Robert B. Duncan Robert B. Duncan Robert Blackford Duncan was an American politician from the state of Oregon. A Democrat, he served multiple terms in the Oregon Legislative Assembly and as a U.S. congressman from Oregon. In the Oregon House of Representatives he served as speaker for four years, and in the U.S. House he...	Democratic Democratic Party (United States) The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...	January 3, 1963 – January 3, 1967	Medford Medford, Oregon Medford is a city in Jackson County, Oregon, United States. As of the 2010 US Census, the city had a total population of 74,907 and a metropolitan area population of 207,010, making the Medford MSA the 4th largest metro area in Oregon...
John R. Dellenback John R. Dellenback John Richard Dellenback was a Republican U.S. congressman from Oregon.Born in Chicago, Illinois, Dellenback graduated from Yale University...	Republican Republican Party (United States) The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...	January 3, 1967 – January 3, 1975	Medford Medford, Oregon Medford is a city in Jackson County, Oregon, United States. As of the 2010 US Census, the city had a total population of 74,907 and a metropolitan area population of 207,010, making the Medford MSA the 4th largest metro area in Oregon...
James H. Weaver James H. Weaver James Howard "Jim" Weaver is a former Democratic U.S. congressman from Oregon.-Early life:Weaver enlisted in the United States Navy at the age of seventeen and served in World War II on an aircraft carrier in the Pacific...	Democratic Democratic Party (United States) The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...	January 3, 1975 – January 3, 1987	Eugene Eugene, Oregon Eugene is the second largest city in the U.S. state of Oregon and the seat of Lane County. It is located at the south end of the Willamette Valley, at the confluence of the McKenzie and Willamette rivers, about east of the Oregon Coast.As of the 2010 U.S...
Peter A. DeFazio	Democratic Democratic Party (United States) The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...	January 3, 1987 – present	Springfield Springfield, Oregon Springfield is a city in Lane County, Oregon, United States. Located in the Southern Willamette Valley, it is within the Eugene-Springfield Metropolitan Statistical Area. Separated from Eugene to the west, mainly by Interstate 5, Springfield is the second-most populous city in the metropolitan area...	Incumbent Incumbent The incumbent, in politics, is the existing holder of a political office. This term is usually used in reference to elections, in which races can often be defined as being between an incumbent and non-incumbent. For example, in the 2004 United States presidential election, George W...

Election results

Sources (official results only):

• Elections History from the Oregon Secretary of State
  Oregon Secretary of State
  The Secretary of State of Oregon, an elected constitutional officer within the executive branch of government of the U.S. state of Oregon, is first in line of succession to the Governor. The duties of office are: auditor of public accounts, chief elections officer, and administrator of public...
  
   website
• Election Statistics from the website of the Clerk of the United States House of Representatives
  Clerk of the United States House of Representatives
  The Clerk of the United States House of Representatives is an officer of the United States House of Representatives, whose primary duty is to act as the chief record-keeper for the House....
  
  

2010

2008

2006

2004

2002

2000

1998

1996