Delaware County, OH
OH · Presidential Elections 1892–2024
Delaware County, OH (Ohio) voted R+6.5 for Donald Trump (Republican) in the 2024 presidential election, with Trump receiving 70,448 votes (52.42%) to 61,657 (45.88%) for Harris.
This represents a D+0.3% swing toward Democrats compared to 2020. Delaware County is classified as a lean Republican county. Delaware County has voted Republican in every presidential election since 1920. The county has a population of approximately 226,834.
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 | 45.9%(61,657) | 52.4%(70,448) | R+6.5 | D+0.3 |
| 2020 | 45.8%(57,735) | 52.6%(66,356) | R+6.8 | D+8.8 |
| 2016 | 38.2%(40,872) | 53.8%(57,568) | R+15.6 | D+7.5 |
| 2012 | 37.6%(37,292) | 60.6%(60,194) | R+23.1 | R+3.5 |
| 2008 | 39.6%(36,653) | 59.2%(54,778) | R+19.6 | D+12.9 |
| 2004 | 33.6%(27,048) | 66.0%(53,143) | R+32.4 | D+2.8 |
| 2000 | 30.9%(17,134) | 66.1%(36,639) | R+35.2 | R+9.5 |
| 1996 | 32.5%(13,463) | 58.3%(24,123) | R+25.7 | R+1.4 |
| 1992 | 25.1%(9,263) | 49.4%(18,225) | R+24.3 | D+21.7 |
| 1988 | 26.6%(7,590) | 72.6%(20,693) | R+46.0 | D+7.2 |
Source: Official state election returns via MIT Election Data + Science Lab
Presidential Margin Trend
Delaware County, OH • 1892–2024
Senate Elections
Senate Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2024 | 47.9%(63,697) | 49.4%(65,715) | R+1.5 | D+4.8 |
| 2022 | 46.8%(46,319) | 53.1%(52,539) | R+6.3 | R+1.2 |
| 2018 | 47.4%(44,743) | 52.6%(49,587) | R+5.1 | D+33.8 |
| 2016 | 29.0%(29,801) | 67.9%(69,886) | R+39.0 | R+20.4 |
| 2012 | 38.7%(37,374) | 57.2%(55,260) | R+18.5 | D+26.0 |
| 2010 | 26.2%(17,742) | 70.7%(47,854) | R+44.5 | R+28.2 |
| 2006 | 41.9%(27,109) | 58.1%(37,624) | R+16.2 | D+37.8 |
| 2004 | 23.0%(17,902) | 77.0%(59,921) | R+54.0 | R+6.4 |
| 2000 | 23.9%(12,794) | 71.4%(38,290) | R+47.6 | R+6.3 |
| 1998 | 29.3%(10,241) | 70.6%(24,656) | R+41.3 | R+7.3 |
Source: Official state election returns via MIT Election Data + Science Lab
Governor Elections
Governor Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2022 | 36.4%(35,942) | 63.5%(62,733) | R+27.1 | R+12.4 |
| 2018 | 41.6%(39,655) | 56.4%(53,674) | R+14.7 | D+40.3 |
| 2014 | 21.0%(12,355) | 76.1%(44,685) | R+55.1 | R+21.2 |
| 2010 | 32.0%(21,988) | 65.8%(45,285) | R+33.9 | R+36.3 |
| 2006 | 50.2%(32,504) | 47.8%(30,931) | D+2.4 | D+50.8 |
| 2002 | 23.5%(9,226) | 71.9%(28,200) | R+48.4 | R+14.9 |
| 1998 | 29.6%(10,217) | 63.1%(21,761) | R+33.5 | D+27.2 |
| 1994 | 17.3%(5,226) | 78.0%(23,494) | R+60.6 | R+30.0 |
| 1990 | 34.7%(8,803) | 65.3%(16,591) | R+30.7 | R+19.8 |
| 1986 | 44.5%(8,407) | 55.4%(10,466) | R+10.9 | D+6.3 |
Source: Official state election returns via MIT Election Data + Science Lab