Ohio 12th Congressional District
Akashic| Year | Margin (D minus R) |
|---|---|
| 2008 | −15.5% |
| 2012 | −17.3% |
| 2016 | −30.5% |
| 2020 | −28.9% |
| 2024 | −30.1% |
Federal officeholders only. State and local officeholders are planned for the next data pass.
U.S. House
Each result reflects the U.S. House district as it was drawn for that election; redistricting has redrawn these lines over time, so they can differ from the current 120th-Congress district shown on the map above.
| Year | District | Won | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | 12 | R | 31.5%119,738 | 68.5%260,450 | 380,188 |
| 2022 | 12 | R | 30.7%84,893 | 69.3%191,344 | 276,237 |
| 2020 | 12 | R | 41.8%182,847 | 55.2%241,790 | 437,672 |
| 2018 | 12 | R | 47.2%161,251 | 51.4%175,677 | 341,647 |
| 2016 | 12 | R | 29.8%112,638 | 66.6%251,266 | 377,534 |
| 2014 | 12 | R | 27.8%61,360 | 68.1%150,573 | 221,081 |
| 2012 | 12 | R | 36.5%134,605 | 63.5%233,869 | 368,474 |
| 2010 | 12 | R | 41.0%110,307 | 55.8%150,163 | 269,180 |
| 2008 | 12 | R | 42.2%152,234 | 54.8%197,447 | 360,388 |
| 2006 | 12 | R | 42.7%108,746 | 57.3%145,943 | 254,689 |
| 2004 | 12 | R | 38.0%122,109 | 62.0%198,912 | 321,046 |
| 2002 | 12 | R | 35.6%64,707 | 64.4%116,982 | 181,689 |
| 2000 | 12 | R | 43.8%115,432 | 52.9%139,242 | 263,386 |
| 1998 | 12 | R | 32.8%60,694 | 67.2%124,197 | 184,891 |
| 1996 | 12 | R | 33.2%78,762 | 63.9%151,667 | 237,434 |
| 1994 | 12 | R | 33.2%57,294 | 66.5%114,608 | 172,345 |
| 1992 | 12 | R | 28.8%68,761 | 71.2%170,297 | 239,058 |
| 1990 | 12 | R | 28.0%50,784 | 72.0%130,495 | 181,279 |
| 1988 | 12 | R | 19.9%50,782 | 80.1%204,892 | 255,674 |
| 1986 | 12 | R | 26.6%42,727 | 73.4%117,905 | 160,632 |
| 1984 | 12 | R | 30.5%65,215 | 69.5%148,899 | 214,114 |
| 1982 | 12 | R | 47.3%82,753 | 50.5%88,335 | 175,027 |
| 1980 | 12 | D | 52.6%108,690 | 47.4%98,110 | 206,804 |
| 1978 | 12 | R | 43.1%61,698 | 56.9%81,573 | 143,271 |
| 1976 | 12 | R | 45.7%89,424 | 46.5%90,987 | 195,840 |
U.S. Senate
| Year | Won | Democratic | Republican | Total |
|---|---|---|---|---|
| 2024 | R | 46.5%2,650,949 | 50.1%2,857,383 | 5,704,620 |
| 2022 | R | 46.9%1,939,489 | 53.0%2,192,114 | 4,133,342 |
| 2018 | D | 53.4%2,355,923 | 46.6%2,053,963 | 4,409,886 |
| 2016 | R | 37.2%1,996,908 | 58.0%3,118,567 | 5,374,053 |
| 2012 | D | 50.7%2,762,690 | 44.7%2,435,712 | 5,449,018 |
| 2010 | R | 39.4%1,503,297 | 56.9%2,168,742 | 3,814,450 |
| 2006 | D | 56.2%2,257,369 | 43.8%1,761,037 | 4,018,406 |
| 2004 | R | 36.1%1,961,171 | 63.9%3,464,356 | 5,425,527 |
| 2000 | R | 35.9%1,595,066 | 59.9%2,665,512 | 4,448,015 |
| 1998 | R | 43.5%1,482,054 | 56.5%1,922,087 | 3,404,141 |
| 1994 | R | 39.2%1,348,213 | 53.4%1,836,556 | 3,436,800 |
| 1992 | D | 51.0%2,444,419 | 42.3%2,028,300 | 4,793,953 |
| 1988 | D | 57.0%2,480,038 | 43.0%1,872,716 | 4,352,754 |
| 1986 | D | 62.5%1,949,208 | 37.5%1,171,893 | 3,121,101 |
| 1982 | D | 56.7%1,923,767 | 41.1%1,396,790 | 3,395,463 |
| 1980 | D | 69.5%2,770,786 | 28.6%1,137,695 | 3,984,893 |
| 1976 | D | 49.5%1,941,113 | 46.5%1,823,774 | 3,920,613 |
Ohio's 12th stretches from suburban Franklin County into exurban and rural territory to the north and east, a mix that has trended steadily rightward over the past decade as college-town margins in Columbus's orbit narrowed.
Across the recorded series it reached a Republican high of 30.5 points in 2016. Between 2020 and 2024 the district moved 1.1 points toward the Republican candidate; the 2024 margin was 30.1 points.
A population of 786,630, a 87% non-Hispanic-white share, and a median household income of $76,324 describe the district. The district's voting pattern over the last decade is most similar to that of Congressional District 4 and Congressional District 2.
The congressional districts whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
Twin score (0–100) = weighted cosine between tier-standardized fingerprints: presidential margins 2000–2024 with 12-yr trend and elasticity, ACS income, age, education, population and race, top reported ancestries, and religious adherence — chips name the closest-shared dimensions and the widest gap. Re-weight the groups in the twins explorer.
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →
Ohio 12th Congressional District. Akashic. https://akashic.app/cd/3912/. Accessed May 20, 2026. License: CC BY 4.0.