99chambers

Oregon House of Representatives seat · lines in effect since 2022

Oregon House District 13

A district of about 69,000 people, 44% of adults with a bachelor's degree. It votes D+35.5 relative to the nation for president.

Nancy Nathanson (D) · since Nov 7, 2006Next 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+35.518th most
Democratic
Most DemocraticMost Republican31st seat · the majority lineDistrict 13

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 RepresentativesD+30.6D+33.1D+41.3

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 State and civicAPIUpdated 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 13.

Adults with a bachelor's degree44% 66th pct · 21st of 60 in OR

Higher than 66% of seats.

White adults without a degree46% 47th pct · 32nd of 60 in OR

Lower than 53% of seats.

Hispanic residents11% 42nd pct · 35th of 60 in OR

Lower than 58% of seats.

Black residents2% 68th pct · 20th of 60 in OR

Higher than 68% of seats.

Asian residents3% 58th pct · 26th of 60 in OR

Higher than 58% of seats.

People per square mile3,116 75th pct · 16th of 60 in OR

Denser than 75% 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 54
53% college gradsD+33.7Held DDistrict 26
49% college gradsD+21.7CountingDistrict 37
55% college gradsD+31.1Held DDistrict 20
39% college gradsD+16.3Counting

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. Nancy Nathanson (D)
    2023– · Won 2022 by 30.6, 2024 by 33.1, 2026 by 41.3

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