Merrimack County, NH

NH · Presidential Elections 1892–2024

D+5.2
2024 Margin
R+4.6%
2020→2024 Swing
D since 1992
Voting Streak
156K
Population

Merrimack County, NH (New Hampshire) voted D+5.2 for Kamala Harris (Democrat) in the 2024 presidential election, with Harris receiving 48,181 votes (51.82%) to 43,365 (46.64%) for Trump.

This represents a R+4.6% swing toward Republicans compared to 2020. Merrimack County is classified as a lean Democratic county. Merrimack County has voted Democratic in every presidential election since 1992. The county has a population of approximately 155,967.

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Quick Stats

2024 ResultD+5.2
2020→2024 SwingR+4.6%
Voting StreakD since 1992
Elections on Record34

Demographics

Population155,967
Median Age
42.9(US: 38.7)
College (BA+)
38.9%(US: 35.2%)
Median Income
$97,004(US: $80k)
White (non-Hisp)
90.6%(US: 57.6%)
Hispanic
2.7%(US: 19.1%)
Black
1.7%(US: 12.2%)
Asian
1.9%(US: 5.7%)
Homeownership
73.5%(US: 64.5%)
Poverty Rate
7.6%(US: 12.3%)
Veterans
8.1%(US: 6.2%)
Non-English (CVAP)
4.8%(US: 17.0%)
Source: Census ACS 5-Year (2020-2024)

Community Profile

Religious Composition

Source: Religion Census 2020
Catholic
15.7%
Mainline Protestant
5.4%
Evangelical
3.7%(Below Average)
LDS/Mormon
0.6%

Ancestry Groups

Source: Census ACS

Top reported ancestry groups (compared to national average).

Irish
20.1%Above Average(2.2x)
English
19.7%Above Average(2.2x)
French
11.6%Major Concentration(6.0x)
German
9.0%
Italian
8.1%Above Average(1.7x)
American Heritage
5.0%
+ 4 more reported ancestry groups

Age Distribution

Median:42.9 yrs(US: 38.5)
Under 18
18.4%↓
18-29
9.0%↓
30-44
19.0%
45-64
33.8%↑
65+
19.9%↑
National average

Employment by Industry

Census ACS
Retail Trade
12.0%(1.1x US)
Professional & Technical
11.4%
Manufacturing
9.4%
Educational Services
7.6%(0.9x US)
Construction
7.3%
Healthcare & Social Services
5.1%(1.1x US)
National average
+ 1 more sectors

Presidential Elections

Presidential Results

YearDemocratRepublicanMarginSwing
202451.8%(48,181)46.6%(43,365)D+5.2R+4.6
202053.9%(48,533)44.1%(39,711)D+9.8D+6.8
201648.1%(40,198)45.0%(37,674)D+3.0R+9.7
201255.6%(44,756)42.9%(34,524)D+12.7R+1.2
200856.5%(45,078)42.7%(34,010)D+13.9D+8.8
200452.1%(39,975)47.0%(36,060)D+5.1D+4.2
200048.1%(30,622)47.1%(30,028)D+0.9R+13.6
199652.3%(29,381)37.8%(21,231)D+14.5D+10.6
199241.5%(24,437)37.6%(22,114)D+3.9D+26.3
198838.3%(18,637)60.7%(29,535)R+22.4D+12.3

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

Presidential Margin Trend

Merrimack County, NH • 1892–2024

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

Senate Elections

Senate Results

YearDemocratRepublicanMarginSwing
202255.6%(39,367)42.3%(29,965)D+13.3R+6.5
202058.7%(52,343)38.9%(34,687)D+19.8D+16.4
201649.9%(41,412)46.4%(38,540)D+3.5R+10.2
201456.7%(32,413)43.0%(24,597)D+13.7D+31.5
201039.4%(21,655)57.3%(31,456)R+17.9R+28.9
200854.1%(42,646)43.1%(33,958)D+11.0D+43.9
200433.5%(25,117)66.4%(49,804)R+32.9R+36.0
200250.3%(26,898)47.2%(25,263)D+3.1D+44.6
199827.1%(10,341)68.6%(26,192)R+41.5R+44.4
199648.9%(27,358)46.0%(25,737)D+2.9R+9.5

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

Governor Elections

Governor Results

YearDemocratRepublicanMarginSwing
202445.8%(42,070)52.1%(47,792)R+6.2D+4.8
202243.6%(30,835)54.7%(38,669)R+11.1D+16.6
202035.4%(31,572)63.2%(56,266)R+27.7R+23.1
201847.0%(30,540)51.5%(33,513)R+4.6R+9.3
201650.3%(41,195)45.5%(37,295)D+4.8R+8.8
201456.7%(32,365)43.1%(24,608)D+13.6R+5.3
201258.2%(46,037)39.3%(31,127)D+18.8R+0.0
201058.0%(31,929)39.2%(21,548)D+18.9R+32.6
200874.8%(58,410)23.3%(18,222)D+51.5R+6.6
200679.0%(39,351)20.9%(10,412)D+58.1D+38.4

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

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