99chambers

Oregon House of Representatives seat · lines in effect since 2022

Oregon House District 21

A district of about 68,000 people, 29% Hispanic, 24% of adults with a bachelor's degree. It votes D+6.0 relative to the nation for president.

Kevin Mannix (R) · since Nov 6, 1990Next election Nov 7, 2028The 2026 race →

Where it sits among all 60 seats

Every Oregon House of Representatives 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+6.038th most
Democratic
Most DemocraticMost Republican31st seat · the majority lineDistrict 21

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
Oregon House of RepresentativesR+5.8R+3.8D+7.9

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 StateUpdated Nov 7, 2026, 3:01 PM ET

Who lives here, compared

Grey bars show the spread of all 60 seats. Small marks are other seats in Oregon. The black marker is District 21.

Adults with a bachelor's degree24% 24th pct · 46th of 60 in OR

Lower than 76% of seats.

White adults without a degree50% 54th pct · 28th of 60 in OR

Higher than 54% of seats.

Hispanic residents29% 95th pct · 4th of 60 in OR

Higher than 95% of seats.

Black residents1% 59th pct · 25th of 60 in OR

Higher than 59% of seats.

Asian residents2% 51st pct · 30th of 60 in OR

Higher than 51% of seats.

People per square mile4,341 83rd pct · 11th of 60 in OR

Denser than 83% 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.

District 6
29% college gradsR+7.2CountingDistrict 19
21% Hispanic · 35% college gradsD+16.4CountingDistrict 29
38% Hispanic · 27% college gradsD+17.3CountingDistrict 50
23% college gradsD+12.3Counting

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. Kevin L. Mannix (R)
    2023– · Won 2022 by 5.8, 2024 by 3.8

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