99chambers

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

Oregon's 3rd District

A district of about 702,000 people, 41% of adults with a bachelor's degree. It votes D+48.1 relative to the nation for president.

Maxine Dexter (D) · since Jan 3, 2025Next election Nov 7, 2028The 2026 race →
OR-3

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+48.135th most
Democratic
Most DemocraticMost Republican218th seat · the majority lineOR-314652

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+43.6D+42.5D+54.8

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-3.

Adults with a bachelor's degree41% 74th pct · 2nd of 6 in OR

Higher than 74% of seats.

White adults without a degree38% 48th pct · 5th of 6 in OR

Lower than 52% of seats.

Hispanic residents15% 54th pct · 4th of 6 in OR

Higher than 54% of seats.

Black residents5% 40th pct · 1st of 6 in OR

Lower than 60% of seats.

Asian residents7% 76th pct · 2nd of 6 in OR

Higher than 76% of seats.

People per square mile492 57th pct · 1st of 6 in OR

Denser than 57% of seats.

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

Seats most like this one

Nearest seats on demographics, density and lean.

OR-1
48% college gradsD+39.1Held DWI-2
48% college gradsD+41.9Held DMA-2
46% college gradsD+26.1Held DMN-4
47% college gradsD+37.0Held D

Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current lines; 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

Who has held it

These lines took effect in 2022.

  1. Maxine E. Dexter (D)
    2025– · Won 2024 by 42.5, 2026 by 54.8
  2. Earl Blumenauer (D)
    2023–2025 · Won 2022 by 43.6

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