Franklin County, Ohio
| Kamala Harris ✓Democratic | 63.6% | 380,518 |
|---|---|---|
| Donald TrumpRepublican | 35.2% | 210,830 |
| Chase OliverIndependent | 0.6% | 3,503 |
| Year | Margin (D minus R) |
|---|---|
| 1892 | +3.7% |
| 1896 | −5.0% |
| 1900 | −5.7% |
| 1904 | −26.8% |
| 1908 | −10.4% |
| 1912 | +15.6% |
| 1916 | +16.7% |
| 1920 | −10.2% |
| 1924 | −33.0% |
| 1928 | −32.2% |
| 1932 | −7.2% |
| 1936 | +17.0% |
| 1940 | +2.2% |
| 1944 | −5.2% |
| 1948 | −7.5% |
| 1952 | −20.5% |
| 1956 | −31.6% |
| 1960 | −18.7% |
| 1964 | +8.1% |
| 1968 | −16.6% |
| 1972 | −29.6% |
| 1976 | −14.1% |
| 1980 | −15.3% |
| 1984 | −30.4% |
| 1988 | −20.9% |
| 1992 | −2.2% |
| 1996 | +3.6% |
| 2000 | +1.0% |
| 2004 | +9.2% |
| 2008 | +20.7% |
| 2012 | +22.7% |
| 2016 | +25.6% |
| 2020 | +31.4% |
| 2024 | +28.4% |
| Year | Total registered |
|---|---|
| 2016 | 843,481 |
| 2018 | 881,645 |
| 2020 | 882,635 |
| 2022 | 879,228 |
| 2024 | 903,248 |
Franklin County anchors Ohio's capital and largest city, producing Democratic presidential margins above 25 points in each of the last three cycles. Its rapid population growth, driven by a major research university and healthcare sector, has steadily widened that gap.
Across the recorded series it reached a Democratic high of 31.4 points in 2020 and a Republican high of 33.0 points in 1924. Between 2020 and 2024 the county moved 3.0 points toward the Republican candidate; the 2024 margin was 28.4 points.
A population of 1,333,048, a 58% non-Hispanic-white share, and a median household income of $75,176 describe the county. The county's voting pattern over the last decade is most similar to that of Mecklenburg County and Montgomery County.
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Franklin County, Ohio. Akashic. https://akashic.app/county/39049/. Accessed May 20, 2026. License: CC BY 4.0.