Plymouth County, MA

MA · Presidential Elections 1892–2024

D+8.8
2024 Margin
R+8.4%
2020→2024 Swing
D since 1992
Voting Streak
535K
Population

Plymouth County, MA (Massachusetts) voted D+8.8 for Kamala Harris (Democrat) in the 2024 presidential election, with Harris receiving 159,962 votes (53.3%) to 133,544 (44.5%) for Trump.

This represents a R+8.4% swing toward Republicans compared to 2020. Plymouth County is classified as a lean Democratic county. Plymouth County has voted Democratic in every presidential election since 1992. The county has a population of approximately 535,075.

Quick Stats

2024 ResultD+8.8
2020→2024 SwingR+8.4%
Voting StreakD since 1992
Elections on Record34

Demographics

Population535,075
Median Age
43.0(US: 38.7)
College (BA+)
41.8%(US: 35.2%)
Median Income
$114,201(US: $80k)
White (non-Hisp)
76.8%(US: 57.6%)
Hispanic
4.9%(US: 19.1%)
Black
8.5%(US: 12.2%)
Asian
1.6%(US: 5.7%)
Homeownership
77.6%(US: 64.5%)
Poverty Rate
7.1%(US: 12.3%)
Veterans
5.7%(US: 6.2%)
Non-English (CVAP)
10.8%(US: 17.0%)
Source: Census ACS 5-Year (2020-2024)

Community Profile

Religious Composition

Source: Religion Census 2020
Catholic
34.3%(Above Average)
Mainline Protestant
3.3%
Evangelical
3.3%(Below Average)
LDS/Mormon
0.5%
Black Protestant
0.2%

Ancestry Groups

Source: Census ACS

Top reported ancestry groups (compared to national average).

Irish
27.6%Significant Hub(3.0x)
Italian
13.1%Significant Hub(2.7x)
English
12.8%(1.5x)
German
5.3%
Sub-Saharan African
4.8%Major Concentration(4.0x)
French
3.6%Above Average(1.9x)
+ 5 more reported ancestry groups

Age Distribution

Median:43.0 yrs(US: 38.5)
Under 18
20.7%
18-29
8.2%↓
30-44
17.2%
45-64
34.1%↑
65+
19.8%↑
National average

Employment by Industry

Census ACS
Professional & Technical
13.0%
Retail Trade
11.3%
Construction
8.3%(1.2x US)
Educational Services
7.3%(0.9x US)
Manufacturing
6.6%(0.7x US)
Healthcare & Social Services
4.7%
National average
+ 1 more sectors

Presidential Elections

Presidential Results

YearDemocratRepublicanMarginSwing
202453.3%(159,962)44.5%(133,544)D+8.8R+8.4
202057.1%(173,630)39.9%(121,227)D+17.2D+9.9
201649.2%(135,513)41.9%(115,369)D+7.3D+3.1
201251.4%(131,845)47.2%(121,086)D+4.2R+3.4
200852.8%(131,817)45.2%(112,904)D+7.6R+0.8
200453.7%(125,178)45.3%(105,603)D+8.4R+7.0
200054.5%(115,376)39.1%(82,751)D+15.4R+5.9
199654.7%(106,072)33.3%(64,626)D+21.4D+16.7
199238.1%(79,160)33.5%(69,514)D+4.6D+15.5
198843.7%(84,587)54.6%(105,684)R+10.9D+9.9

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

Presidential Margin Trend

Plymouth County, MA • 1892–2024

D+R++60+40+200-20-40-6018921900190819161924193219401948195619641972198019881996200420122020
Democratic margin
Republican margin

Senate Elections

Senate Results

YearDemocratRepublicanMarginSwing
202449.9%(147,813)50.0%(148,292)R+0.2R+15.8
202057.5%(170,532)41.8%(124,084)D+15.7D+16.7
201848.0%(107,595)49.1%(109,995)R+1.1R+6.8
201452.8%(91,682)47.1%(81,740)D+5.7D+20.1
201342.5%(38,588)56.9%(51,649)R+14.4R+1.7
201243.6%(111,643)56.3%(144,172)R+12.7D+13.7
201036.4%(69,565)62.8%(119,979)R+26.4R+45.9
200858.4%(142,223)38.8%(94,567)D+19.6R+5.7
200662.6%(111,198)37.3%(66,274)D+25.3R+52.4
200277.7%(123,597)0.0%(0)D+77.7D+24.0

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

Governor Elections

Governor Results

YearDemocratRepublicanMarginSwing
202253.4%(115,810)44.1%(95,669)D+9.3D+59.5
201824.7%(54,303)74.9%(164,438)R+50.2R+31.0
201438.0%(68,141)57.2%(102,551)R+19.2R+7.6
201038.6%(74,355)50.2%(96,592)R+11.6R+16.7
200646.4%(84,296)41.2%(74,933)D+5.2D+24.8
200238.0%(65,978)57.6%(100,029)R+19.6R+4.6
199841.5%(59,525)56.5%(81,047)R+15.0D+36.9
199423.6%(42,560)75.5%(135,922)R+51.9R+42.9
199044.2%(79,039)53.2%(95,137)R+9.0R+32.2
198661.6%(71,110)38.4%(44,291)D+23.2D+13.7

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

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