U.S. House seat · lines in effect since 2022

Oregon's 4th District

A district of about 703,000 people, 33% of adults with a bachelor's degree. It votes D+12.9 relative to the nation for president.

OR-4

Source: 2026 results: Oregon Secretary of State and civicAPI; boundaries: Census Bureau TIGER/LineUpdated Nov 7, 2026, 3:01 PM ET

Where it sits among all 435 seats

Every U.S. House seat by partisan lean, from most Democratic to most Republican. Lean is the seat's presidential vote on current lines, relative to the nation.

D+12.9150th most
Democratic
Most DemocraticMost Republican218th seat · the majority line31OR-4652

Labels below the bar mark 5 other seats in Oregon.

Source: 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET

Every race on these lines

Results recomputed from precinct returns as if today's boundaries had always existed, so years compare like for like.

202220242026
U.S. HouseD+7.5D+7.8D+10.9

Outlined: the race for this seat itselfBlank: no race that year

Source: 99chambers results archive: precinct results allocated to current lines; 2026: Oregon Secretary of State and civicAPIUpdated Nov 7, 2026, 3:01 PM ET

Who lives here, compared

Grey bars show the spread of all 435 seats. Small marks are other seats in Oregon. The black marker is OR-4.

Adults with a bachelor's degree33% 47th pct · 5th of 6 in OR

Lower than 53% of seats.

White adults without a degree56% 84th pct · 2nd of 6 in OR

Higher than 84% of seats.

Hispanic residents9% 36th pct · 6th of 6 in OR

Lower than 64% of seats.

Black residents1% 2nd pct · 5th of 6 in OR

Lower than 98% of seats.

Asian residents3% 39th pct · 5th of 6 in OR

Lower than 61% of seats.

People per square mile56 13th pct · 5th of 6 in OR

Less dense than 87% of seats.

Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current linesUpdated Oct 13, 2026, 5:06 AM ET

Who has held it

These lines took effect in 2022.

  1. Val Hoyle (D)
    2023– · Won 2022 by 7.5, 2024 by 7.8, 2026 by 10.9

Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)