Miami County, OH
OH · Presidential Elections 1892–2024
Miami County, OH (Ohio) voted R+44.9 for Donald Trump (Republican) in the 2024 presidential election, with Trump receiving 42,677 votes (71.8%) to 15,969 (26.87%) for Harris.
This represents a R+0.6% swing toward Republicans compared to 2020. Miami County is classified as a deep Republican county. Miami County has voted Republican in every presidential election since 1968. The county has a population of approximately 110,296.
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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 | 26.9%(15,969) | 71.8%(42,677) | R+44.9 | R+0.6 |
| 2020 | 27.0%(15,663) | 71.4%(41,371) | R+44.3 | D+0.4 |
| 2016 | 24.5%(13,120) | 69.2%(37,079) | R+44.7 | R+9.8 |
| 2012 | 31.4%(16,383) | 66.3%(34,606) | R+34.9 | R+6.5 |
| 2008 | 34.7%(18,372) | 63.1%(33,417) | R+28.4 | D+3.2 |
| 2004 | 34.0%(17,606) | 65.7%(33,992) | R+31.7 | R+7.3 |
| 2000 | 36.4%(15,584) | 60.8%(26,037) | R+24.4 | R+14.5 |
| 1996 | 38.9%(15,540) | 48.8%(19,509) | R+9.9 | D+6.8 |
| 1992 | 29.2%(12,547) | 45.9%(19,741) | R+16.7 | D+21.1 |
| 1988 | 30.6%(11,138) | 68.4%(24,915) | R+37.8 | D+7.9 |
Source: Official state election returns via MIT Election Data + Science Lab
Presidential Margin Trend
Miami County, OH • 1892–2024
Senate Elections
Senate Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2024 | 29.8%(17,525) | 66.7%(39,225) | R+36.9 | D+6.1 |
| 2022 | 28.5%(11,993) | 71.5%(30,114) | R+43.0 | R+11.4 |
| 2018 | 34.2%(12,064) | 65.8%(23,219) | R+31.6 | D+28.9 |
| 2016 | 17.7%(9,202) | 78.2%(40,745) | R+60.5 | R+27.4 |
| 2012 | 31.3%(15,968) | 64.5%(32,866) | R+33.1 | D+17.3 |
| 2010 | 23.0%(8,496) | 73.5%(27,145) | R+50.5 | R+35.5 |
| 2006 | 42.5%(15,734) | 57.5%(21,299) | R+15.0 | D+35.1 |
| 2004 | 24.9%(12,510) | 75.1%(37,659) | R+50.1 | R+0.1 |
| 2000 | 22.7%(9,494) | 72.7%(30,394) | R+50.0 | R+24.0 |
| 1998 | 37.0%(11,549) | 63.0%(19,673) | R+26.0 | D+2.8 |
Source: Official state election returns via MIT Election Data + Science Lab
Governor Elections
Governor Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2022 | 20.0%(8,452) | 79.8%(33,709) | R+59.8 | R+14.9 |
| 2018 | 25.6%(9,115) | 70.5%(25,106) | R+44.9 | D+16.4 |
| 2014 | 18.3%(5,693) | 79.6%(24,735) | R+61.3 | R+29.5 |
| 2010 | 31.6%(11,729) | 63.4%(23,543) | R+31.8 | R+28.8 |
| 2006 | 46.6%(17,263) | 49.6%(18,395) | R+3.1 | D+42.4 |
| 2002 | 24.7%(7,297) | 70.1%(20,743) | R+45.5 | R+25.7 |
| 1998 | 36.5%(11,111) | 56.3%(17,127) | R+19.8 | D+36.4 |
| 1994 | 20.2%(5,775) | 76.3%(21,857) | R+56.2 | R+28.0 |
| 1990 | 35.9%(10,677) | 64.1%(19,054) | R+28.2 | R+41.3 |
| 1986 | 56.5%(14,515) | 43.4%(11,144) | D+13.1 | D+10.1 |
Source: Official state election returns via MIT Election Data + Science Lab