Hamilton County, OH
OH · Presidential Elections 1892–2024
Hamilton County, OH (Ohio) voted D+14.8 for Kamala Harris (Democrat) in the 2024 presidential election, with Harris receiving 233,360 votes (56.47%) to 172,365 (41.71%) for Trump.
This represents a R+1.1% swing toward Republicans compared to 2020. Hamilton County is classified as a lean Democratic county. Hamilton County has voted Democratic in every presidential election since 2008. The county has a population of approximately 830,774.
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Quick Stats
Demographics
Community Profile
Religious Composition
Source: Religion Census 2020Ancestry Groups
Source: Census ACSTop reported ancestry groups (compared to national average).
Age Distribution
Employment by Industry
Census ACSPresidential Elections
Presidential Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2024 | 56.5%(233,360) | 41.7%(172,365) | D+14.8 | R+1.1 |
| 2020 | 57.1%(246,266) | 41.3%(177,886) | D+15.9 | D+5.8 |
| 2016 | 51.7%(215,719) | 41.6%(173,665) | D+10.1 | D+3.8 |
| 2012 | 52.1%(219,927) | 45.8%(193,326) | D+6.3 | R+0.7 |
| 2008 | 53.0%(225,213) | 46.0%(195,530) | D+7.0 | D+12.4 |
| 2004 | 47.1%(199,679) | 52.5%(222,616) | R+5.4 | D+5.9 |
| 2000 | 42.8%(161,578) | 54.0%(204,175) | R+11.3 | R+4.3 |
| 1996 | 43.1%(160,458) | 50.1%(186,493) | R+7.0 | D+3.9 |
| 1992 | 36.8%(148,409) | 47.7%(192,447) | R+10.9 | D+12.5 |
| 1988 | 37.9%(140,354) | 61.3%(227,004) | R+23.4 | D+3.9 |
Source: Official state election returns via MIT Election Data + Science Lab
Presidential Margin Trend
Hamilton County, OH • 1892–2024
Senate Elections
Senate Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2024 | 57.8%(235,825) | 38.9%(158,523) | D+19.0 | D+3.5 |
| 2022 | 57.7%(174,511) | 42.2%(127,792) | D+15.4 | R+3.3 |
| 2018 | 59.3%(200,404) | 40.6%(137,116) | D+18.7 | D+30.1 |
| 2016 | 42.3%(170,427) | 53.7%(216,298) | R+11.4 | R+22.0 |
| 2012 | 53.5%(219,299) | 43.0%(176,058) | D+10.6 | D+29.2 |
| 2010 | 39.6%(112,938) | 58.2%(166,087) | R+18.6 | R+17.9 |
| 2006 | 49.6%(142,134) | 50.3%(144,167) | R+0.7 | D+24.7 |
| 2004 | 37.3%(151,912) | 62.7%(255,406) | R+25.4 | D+0.0 |
| 2000 | 35.2%(130,106) | 60.7%(223,984) | R+25.4 | R+0.0 |
| 1998 | 37.3%(107,503) | 62.7%(180,606) | R+25.4 | D+1.5 |
Source: Official state election returns via MIT Election Data + Science Lab
Governor Elections
Governor Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2022 | 48.7%(148,023) | 51.2%(155,577) | R+2.5 | R+12.4 |
| 2018 | 53.6%(181,979) | 43.6%(148,272) | D+9.9 | D+33.8 |
| 2014 | 36.2%(85,535) | 60.1%(142,066) | R+23.9 | R+20.0 |
| 2010 | 46.5%(132,087) | 50.4%(143,222) | R+3.9 | R+3.3 |
| 2006 | 48.5%(139,451) | 49.2%(141,374) | R+0.7 | D+34.8 |
| 2002 | 30.3%(73,843) | 65.8%(160,223) | R+35.5 | R+13.5 |
| 1998 | 37.2%(105,249) | 59.2%(167,447) | R+22.0 | D+33.0 |
| 1994 | 21.2%(57,010) | 76.3%(204,678) | R+55.0 | R+35.5 |
| 1990 | 40.2%(112,569) | 59.8%(167,288) | R+19.6 | R+19.3 |
| 1986 | 49.8%(124,116) | 50.1%(124,752) | R+0.3 | R+3.5 |
Source: Official state election returns via MIT Election Data + Science Lab