99chambers

Oregon State Senate seat · lines in effect since 2022

Oregon Senate District 10

A district of about 119,000 people, 37% of adults with a bachelor's degree. It votes D+16.4 relative to the nation for president.

Deb Patterson (D) · since Nov 3, 2020Next election Nov 5, 2030The 2026 race →

Where it sits among all 30 seats

Every Oregon State Senate 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+16.415th most
Democratic
Most DemocraticMost Republican16th seat · the majority lineDistrict 10

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.

20222026
Oregon State SenateD+6.9D+18.3

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 30 seats. Small marks are other seats in Oregon. The black marker is District 10.

Adults with a bachelor's degree37% 59th pct · 13th of 30 in OR

Higher than 59% of seats.

White adults without a degree45% 41st pct · 18th of 30 in OR

Lower than 59% of seats.

Hispanic residents19% 79th pct · 7th of 30 in OR

Higher than 79% of seats.

Black residents1% 66th pct · 11th of 30 in OR

Higher than 66% of seats.

Asian residents3% 52nd pct · 15th of 30 in OR

Higher than 52% of seats.

People per square mile1,768 66th pct · 11th of 30 in OR

Denser than 66% 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 8
43% college gradsD+24.6Held DDistrict 7
36% college gradsD+31.2Held DDistrict 3
36% college gradsD+13.4CountingDistrict 20
35% college gradsD+14.8Held 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. Deb Patterson (D)
    2023– · Won 2022 by 6.9

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