99chambers

Ohio House of Representatives seat · lines in effect since 2024

Ohio House District 13

A district of about 128,000 people, 39% of adults with a bachelor's degree. It votes D+49.6 relative to the nation for president.

Tristan Rader (D) · since Nov 5, 2024Next election Nov 7, 2028The 2026 race →

Where it sits among all 99 seats

Every Ohio 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+49.610th most
Democratic
Most DemocraticMost Republican50th 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.

2016201820242026
U.S. SenateD+33.6D+61.7D+54.5No race
GovernorNo raceD+53.6No raceNo race
Ohio House of RepresentativesNo raceNo raceD+52.9D+67.5

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

Source: 99chambers results archive: precinct results allocated to current lines; 2026: Ohio Secretary of StateUpdated Nov 7, 2026, 3:01 PM ET

Who lives here, compared

Grey bars show the spread of all 99 seats. Small marks are other seats in Ohio. The black marker is District 13.

Adults with a bachelor's degree39% 76th pct · 25th of 99 in OH

Higher than 76% of seats.

White adults without a degree35% 19th pct · 80th of 99 in OH

Lower than 81% of seats.

Hispanic residents18% 99th pct · 2nd of 99 in OH

Higher than 99% of seats.

Black residents14% 74th pct · 26th of 99 in OH

Higher than 74% of seats.

Asian residents3% 66th pct · 34th of 99 in OH

Higher than 66% of seats.

People per square mile6,987 100th pct · 1st of 99 in OH

Densest of 99 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
33% college gradsD+12.9Held DDistrict 53
27% college gradsD+3.7Held DDistrict 1
32% Black · 41% college gradsD+62.8Held DDistrict 15
27% college gradsD+3.8Held 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 2024.

  1. Tristan W. Rader (D)
    2025– · Won 2024 by 52.9, 2026 by 67.5

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