Ohio House of Representatives seat · lines in effect since 2024
Ohio House District 12
A district of about 130,000 people, 25% of adults with a bachelor's degree. It votes R+44.4 relative to the nation for president.
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.
Democratic
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.
| 2016 | 2018 | 2024 | 2026 | |
|---|---|---|---|---|
| U.S. Senate | R+46.4 | R+21.6 | R+34.7 | No race |
| Governor | No race | R+29.4 | No race | No race |
| Ohio House of Representatives | No race | No race | R+45.8 | R+33.0 |
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 12.
Lower than 64% of seats.
Higher than 67% of seats.
Lower than 51% of seats.
Lower than 56% of seats.
Lower than 57% of seats.
Less dense than 80% 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 8326% college gradsR+45.4Held RDistrict 71
25% college gradsR+39.9Held RDistrict 78
20% college gradsR+46.7Held RDistrict 80
25% college gradsR+48.5Held R
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.
- Brian Stewart (R)
2025– · Won 2024 by 45.8, 2026 by 33.0
Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)