The U.S. state of Oregon has had six United States congressional districts since 2023, when the 6th district was created as a result of the 2020 census. [1] The 5th district was added as a result of the 1980 census, and boundaries were redrawn following the population changes to each district as determined by the 1990, 2000, 2010, and 2020 censuses.
List of members of the United States House delegation from Oregon, their terms, their district boundaries, and the district political ratings according to the CPVI. The delegation has a total of six members, including four Democrats, and two Republicans.
| Current U.S. representatives from Oregon | |||||
|---|---|---|---|---|---|
| District | Member (Residence) [2] | Party | Incumbent since | CPVI (2022) [3] | District map |
| 1st |  Suzanne Bonamici (Beaverton) | Democratic | January 31, 2012 | D+18 |  |
| 2nd |  Cliff Bentz (Ontario) | Republican | January 3, 2021 | R+15 |  |
| 3rd |  Earl Blumenauer (Portland) | Democratic | May 21, 1996 | D+22 |  |
| 4th |  Val Hoyle (Springfield) | Democratic | January 3, 2023 | D+4 |  |
| 5th |  Lori Chavez-DeRemer (Happy Valley) | Republican | January 3, 2023 | D+2 |  |
| 6th |  Andrea Salinas (Tigard) | Democratic | January 3, 2023 | D+4 |  |
Table of United States congressional district boundary maps in the State of Oregon, presented chronologically. [4] All redistricting events that took place in Oregon between 1973 and 2013 are shown.
| Year | Statewide map |
|---|---|
| 1973–1982 |  |
| 1983–1992 |  |
| 1993–2002 |  |
| 2003–2013 |  |
| 2013–2023 |  |
| 2023–2033 |  |
Since Arizona became a U.S. state in 1912, it has sent congressional delegations to the United States Senate and United States House of Representatives. Each state elects two senators to serve for six years, and members of the House to two-year terms. Before becoming a state, the Arizona Territory elected a non-voting delegate at-large to Congress from 1864 to 1912.
These are tables of congressional delegations from New York to the United States House of Representatives and the United States Senate.
Connecticut became a U.S. state in 1788, which allowed it to send congressional delegations to the United States Senate and United States House of Representatives beginning with the 1st United States Congress in 1789. Each state elects two senators to serve for six years, and members of the House to two-year terms.
These are tables of congressional delegations from the State of Texas to the United States Senate and United States House of Representatives.
Since Florida became a U.S. state in 1845, it has sent congressional delegations to the United States Senate and United States House of Representatives. Each state elects two senators to serve for six years, and members of the House to two-year terms. Before becoming a state, the Florida Territory elected a non-voting delegate at-large to Congress from 1822 to 1845.
Since Kentucky became a U.S. state in 1792, it has sent congressional delegations to the United States Senate and United States House of Representatives. Each state elects two senators to serve for six years, and members of the House to two-year terms.
These are tables of congressional delegations from Ohio to the United States House of Representatives and the United States Senate.
Since Colorado became a U.S. state in 1876, it has sent congressional delegations to the United States Senate and United States House of Representatives. Each state elects two senators to serve for six years, and members of the House to two-year terms. Before becoming a state, the Colorado Territory elected a non-voting delegate at-large to Congress from 1861 to 1876.
Georgia became a U.S. state in 1788, which allowed it to send congressional delegations to the United States Senate and United States House of Representatives beginning with the 1st United States Congress in 1789. Each state elects two senators to serve for six years, and members of the House to two-year terms.
Since Idaho became a U.S. state in 1890, it has sent congressional delegations to the United States Senate and United States House of Representatives. Each state elects two senators to serve for six years, and members of the House to two-year terms. Before becoming a state, the Idaho Territory elected a non-voting delegate at-large to Congress from 1864 to 1890.
Since Montana became a U.S. state in 1889, it has sent congressional delegations to the United States Senate and the United States House of Representatives. Each state elects two senators to serve for six years. Before the Seventeenth Amendment took effect in 1913, senators were elected by the Montana State Legislature. Members of the House of Representatives are elected to two-year terms, one from Montana's at-large congressional district. Before becoming a state, the Territory of Montana elected a non-voting delegate at-large to Congress from 1864 to 1889.
These are tables of congressional delegations from Oregon to the United States Senate and United States House of Representatives.
Since Iowa became a U.S. state in 1846, it has sent congressional delegations to the United States Senate and United States House of Representatives. Each state elects two senators to serve for six years, and members of the House to two-year terms. Before becoming a state, the Iowa Territory elected a non-voting delegate at-large to Congress from 1838 to 1846.
Since Kansas became a U.S. state in 1861, it has sent congressional delegations to the United States Senate and United States House of Representatives. Each state elects two senators to serve for six years, and members of the House to two-year terms. Before becoming a state, the Kansas Territory elected a non-voting delegate at-large to Congress from 1854 to 1861.
These are tables of congressional delegations from Louisiana to the United States House of Representatives and the United States Senate.
These are tables of congressional delegations from Mississippi to the United States House of Representatives and the United States Senate.
Since Illinois became a U.S. state in 1818, it has sent congressional delegations to the United States Senate and United States House of Representatives. Each state elects two senators to serve for six years, and members of the House to two-year terms. Before becoming a state, the Illinois Territory elected a non-voting delegate at-large to Congress from 1812 to 1818.
The U.S. state of Arkansas currently has four United States congressional districts. The state has had as many as seven districts; the 5th district existed from 1883 through 1963. The 6th existed from 1893 to 1963. The 7th existed from 1903 to 1953. No Democrat has won a House seat in the state since 2012.
Iowa is divided into four congressional districts, each represented by a member of the United States House of Representatives. The state's congressional map is roughly divided by quadrants in the northeast, northwest, southeast, and southwest sections of Iowa.
The U.S. state of Louisiana currently has six congressional districts. The state has had as many as eight districts; the eighth district was eliminated on January 9, 1993 after results of the 1990 census, and the seventh district was eliminated in 2013 post Hurricane Katrina population stagnation after the results of the 2010 census.