Montgomery County, OH

OH · Presidential Elections 1892–2024

D+0.5
2024 Margin
R+1.8%
2020→2024 Swing
D since 2020
Voting Streak
536K
Population

Montgomery County, OH (Ohio) voted D+0.5 for Kamala Harris (Democrat) in the 2024 presidential election, with Harris receiving 126,767 votes (49.41%) to 125,566 (48.95%) for Trump.

This represents a R+1.8% swing toward Republicans compared to 2020. Montgomery County is classified as a competitive Democratic county. Montgomery County has voted Democratic in every presidential election since 2020. The county has a population of approximately 536,096.

Quick Stats

2024 ResultD+0.5
2020→2024 SwingR+1.8%
Voting StreakD since 2020
Elections on Record34

Demographics

Population536,096
Median Age
38.8(US: 38.7)
College (BA+)
31.3%(US: 35.2%)
Median Income
$66,139(US: $80k)
White (non-Hisp)
68.3%(US: 57.6%)
Hispanic
4.2%(US: 19.1%)
Black
21.2%(US: 12.2%)
Asian
2.2%(US: 5.7%)
Homeownership
62.5%(US: 64.5%)
Poverty Rate
15.0%(US: 12.3%)
Veterans
8.4%(US: 6.2%)
Non-English (CVAP)
4.2%(US: 17.0%)
Source: Census ACS 5-Year (2020-2024)

Community Profile

Religious Composition

Source: Religion Census 2020
Evangelical
31.1%(Above Average)
Catholic
13.0%(Below Average)
Black Protestant
7.0%(Unique Concentration)
Mainline Protestant
5.5%
LDS/Mormon
0.8%
+ 1 more traditions

Ancestry Groups

Source: Census ACS

Top reported ancestry groups (compared to national average).

German
20.2%Above Average(1.6x)
Irish
11.8%(1.3x)
English
11.6%(1.3x)
American Heritage
5.2%
Italian
3.2%
Mexican
1.9%
+ 3 more reported ancestry groups

Age Distribution

Median:38.8 yrs(US: 38.5)
Under 18
22.2%
18-29
9.1%↓
30-44
20.4%
45-64
29.9%↑
65+
18.6%
National average

Employment by Industry

Census ACS
Manufacturing
13.0%(1.3x US)
Professional & Technical
11.3%
Retail Trade
10.7%
Educational Services
8.8%
Construction
5.1%(0.7x US)
Healthcare & Social Services
4.1%(0.9x US)
National average

Presidential Elections

Presidential Results

YearDemocratRepublicanMarginSwing
202449.4%(126,767)49.0%(125,566)D+0.5R+1.8
202050.3%(135,064)48.1%(129,034)D+2.2D+3.0
201646.6%(122,016)47.3%(123,909)R+0.7R+5.3
201251.2%(137,139)46.6%(124,841)D+4.6R+1.6
200852.3%(145,997)46.1%(128,679)D+6.2D+4.6
200450.6%(142,997)49.0%(138,371)D+1.6R+0.4
200049.6%(114,597)47.5%(109,792)D+2.1R+6.6
199650.0%(115,469)41.3%(95,391)D+8.7D+7.4
199241.3%(108,017)40.0%(104,751)D+1.2D+16.9
198841.8%(95,737)57.5%(131,596)R+15.7D+2.9

Source: Official state election returns via MIT Election Data + Science Lab

Presidential Margin Trend

Montgomery County, OH • 1892–2024

D+R++40+200-20-4018921900190819161924193219401948195619641972198019881996200420122020
Democratic margin
Republican margin

Senate Elections

Senate Results

YearDemocratRepublicanMarginSwing
202451.8%(130,464)44.6%(112,324)D+7.2D+5.5
202250.8%(94,512)49.1%(91,382)D+1.7R+10.5
201856.1%(115,200)43.9%(90,242)D+12.1D+30.5
201638.6%(98,101)57.0%(144,700)R+18.4R+25.6
201251.8%(135,210)44.5%(116,345)D+7.2D+21.3
201041.5%(76,441)55.5%(102,338)R+14.1R+20.5
200653.2%(100,491)46.8%(88,322)D+6.4D+31.4
200437.5%(102,734)62.5%(170,942)R+24.9D+3.2
200034.1%(69,676)62.2%(126,983)R+28.1R+21.3
199846.6%(76,945)53.4%(88,102)R+6.8D+5.3

Source: Official state election returns via MIT Election Data + Science Lab

Governor Elections

Governor Results

YearDemocratRepublicanMarginSwing
202240.7%(76,154)59.1%(110,672)R+18.4R+18.3
201848.4%(99,812)48.5%(100,021)R+0.1D+26.7
201435.4%(51,664)62.2%(90,683)R+26.8R+26.8
201048.3%(89,379)48.2%(89,218)D+0.1R+16.5
200656.9%(107,593)40.3%(76,189)D+16.6D+39.1
200236.9%(59,584)59.5%(95,891)R+22.5R+22.6
199847.4%(76,752)47.3%(76,550)D+0.1D+47.0
199425.2%(42,850)72.1%(122,374)R+46.9R+37.2
199045.2%(74,722)54.8%(90,638)R+9.6R+38.6
198664.4%(96,348)35.4%(53,032)D+28.9D+9.4

Source: Official state election returns via MIT Election Data + Science Lab

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