House districts / Ohio


Ohio's 12th congressional district

OH-12. Redrawn for 2026: the November 2026 election is on new lines. The outline shows the 2024 district with the same number.

Troy Balderson
Current member, elected on the 2024 lines
Troy Balderson
Republican. In office since 2018.
2026 lines2024 lines

Fundraising

1 other 2026 candidate filed reports (primary candidate).

Federal Election Commission, candidate totals, public domain.

President in this district

PollCheck calculation from precinct returns on the 2026 lines (method).

YearDemocratRepublicanOtherMargin2024 lines
2024Harris 34.5%Trump 64.6%0.9%R+30.1R+32.7
2020Biden 34.8%Trump 63.7%1.5%R+28.9R+30.9
2016Clinton 32.5%Trump 62.9%4.6%R+30.5R+29.4

Who lives here

MeasureThis districtUS
People
Population
786,630
Adults (18+)
596,931
Citizens, % of adults*
97.8%
92.1%
Age, % of adults
18 to 29*
17.9%
20.3%
30 to 44*
24.9%
25.9%
45 to 64*
34.3%
31.8%
65 and over*
23.0%
22.0%
Race and Hispanic origin, % of residents
White
86.2%
57.8%
Black
4.0%
12.1%
Hispanic
2.1%
18.7%
Asian
3.1%
5.9%
Other or more than one
4.6%
5.5%
Education and income
Bachelor's degree or higher, % of 25+*
32.3%
35.7%
Median household income*
$84,703
$80,734

* Estimated for the 2026 lines from census blocks (ACS 2020-2024). Population, adults and race: 2020 Census, counted on the 2026 lines. The tick marks the US figure.

Winning margin

Results since 1976

YearWinnerShare Runner-upShareMargin
2024 lines, elections 2022-2024: redrawn for 2026 seat count changed from 16 to 15 after the census
2024Troy Balderson Republican68.5%Jerrad Christian Democrat31.5%R+37.0
2022Troy Balderson Republican69.3%Amy Rippel-Elton Democrat30.7%R+38.5
Earlier lines, elections 2012-2020 seat count changed from 18 to 16 after the census
2020Troy Balderson Republican55.2%Alaina Shearer Democrat others 3.0%41.8%R+13.5
2018Troy Balderson Republican51.4%Danny O’Connor Democrat others 1.4%47.2%R+4.2
2016Patrick J. Tiberi Republican66.5%Ed Albertson Democrat others 3.6%29.8%R+36.7
2014Patrick J. Tiberi Republican68.1%David Arthur Tibbs Democrat others 4.1%27.8%R+40.4
2012Patrick J. Tiberi Republican63.5%Jim Reese Democrat36.5%R+26.9
Earlier lines, elections 2002-2010 seat count changed from 19 to 18 after the census
2010Patrick J. Tiberi Republican55.8%Paula Brooks Democrat others 3.2%41.0%R+14.8
2008Patrick J. Tiberi Republican54.8%David Robinson Democrat others 3.0%42.2%R+12.6
2006Patrick J. Tiberi Republican57.3%Bob Shamansky Democrat42.7%R+14.6
2004Patrick J. Tiberi Republican62.0%Edward S. Brown Democrat38.0%R+23.9
2002Patrick J. Tiberi Republican64.4%Edward Brown Democrat35.6%R+28.8
Earlier lines, elections 1992-2000 seat count changed from 21 to 19 after the census
2000Pat Tiberi Republican52.9%Maryellen O'Shaughnessy Democrat others 3.3%43.8%R+9.0
1998John R. Kasich Republican67.2%Edward S. Brown Democrat32.8%R+34.3
1996John R. Kasich Republican63.9%Cynthia L. Ruccia Democrat others 3.0%33.2%R+30.7
1994John R. Kasich Republican66.5%Cynthia L. Ruccia Democrat others 0.3%33.2%R+33.3
1992John R. Kasich Republican71.2%Bob Fitrakis Democrat28.8%R+42.5
Earlier lines, elections 1982-1990 seat count changed from 23 to 21 after the census
1990John R. Kasich Republican72.0%Mike Gelpi Democrat28.0%R+44.0
1988John R. Kasich Republican80.1%Mark P. Brown Democrat19.9%R+60.3
1986John R. Kasich Republican73.4%Timothy C. Jochim Democrat26.6%R+46.8
1984John R. Kasich Republican69.5%Richard S. Sloan Democrat30.5%R+39.1
1982John R. Kasich Republican50.5%Bob Shamansky Democrat others 2.2%47.3%R+3.2
Earlier lines, elections 1976-1980
1980Bob Shamansky Democrat52.6%Samuel L. Devine Republican47.4%D+5.1
1978Samuel L. Devine Republican56.9%James L. Baumann Democrat43.1%R+13.9
1976Samuel L. Devine Republican46.5%Francine Ryan Democrat others 7.9%45.7%R+0.8

More on Ohio

Other Ohio districts

About these results

Shares count all candidate votes, including write-ins, with a candidate's votes on several party lines added together. Each result is on the lines in force at the time. Mid-decade redraws before 2016 may be unmarked.

President in this district: 2016 and 2020, and 2024 on the new lines, are estimates: precinct votes are split between districts by census block. The last column is the margin in OH-12 on the 2024 lines.

Counties only partly inside the district show the 2024 result for that part; estimates are labelled.

Margin chart: winner minus runner-up. Gaps are unopposed races; dashed lines are new district lines.

Who lives here (2026 lines) is estimated from Census survey figures split by population.

Sources

Results: MIT Election Data and Science Lab, U.S. House 1976-2016 (doi:10.7910/DVN/IG0UN2, CC0; via MEDSL/constituency-returns), and Clerk of the US House, Statistics of the Presidential and Congressional Election 2018-2024 (public domain).

Presidential results: PollCheck calculation from MIT Election Data and Science Lab 2024 precinct returns (doi:10.7910/DVN/XDJYKC, doi:10.7910/DVN/USBYR4, CC0; state totals doi:10.7910/DVN/42MVDX, CC0) and Voting and Election Science Team 2016 and 2020 precinct results and shapes (doi:10.7910/DVN/NH5S2I, doi:10.7910/DVN/K7760H, CC BY 4.0), with US Census Bureau 2020 block populations and block equivalency files (public domain). Official figures: Texas Legislative Council (2024 on the 2026 lines); Louisiana, New Jersey, California and Washington election offices (county totals). Certified results transcribed by Wikipedia (CC BY-SA 4.0): Maine 2024 by district: 2024 United States presidential election in Maine (revision 1382530995); Indiana county totals: 2024 United States presidential election in Indiana (revision 1382505975); Oregon county totals: 2024 United States presidential election in Oregon (revision 1382605746).

District lines: US Census Bureau TIGER/Line 2026 (120th Congress) and 2025 cartographic boundary files (119th Congress), public domain.

Members: unitedstates/congress-legislators (CC0).

Counties: US Census Bureau 2024 cartographic boundary file (public domain); 2024 county results summed from the same MEDSL precinct returns, with the official county totals above.

Demographics: US Census Bureau, American Community Survey 5-year estimates 2020-2024; 2020 Census P.L. 94-171 (public domain).

2028 candidates: Federal Election Commission (public domain).

Photos: official portraits, public domain (US government); see Photo credits.

PollCheck US. Data through November 5, 2026. Photo credits