Merrimack County, New Hampshire

2024 results by precinct

27 precincts · 92,979 votes cast

Harris · D+5

Harris +50

Trump +50

Real precinct boundaries. Hover for vote totals.

38 presidential elections

Year	Won	Margin	Democratic	Republican	Total
2024	D	+5.2%	48,181	43,365	92,979
2020	D	+9.8%	48,533	39,711	90,133
2016	D	+3.0%	40,198	37,674	83,648
2012	D	+12.7%	44,756	34,524	80,514
2008	D	+13.9%	45,078	34,010	79,719
2004	D	+5.1%	39,975	36,060	76,647
2000	D	+0.9%	30,622	30,028	63,684
1996	D	+14.5%	29,381	21,231	56,200
1992	D	+3.9%	24,437	22,114	58,834
1988	R	−22.4%	18,637	29,535	48,686
1984	R	−34.7%	13,510	27,925	41,579
1980	R	−27.4%	12,083	23,584	41,960
1976	R	−18.7%	14,865	21,853	37,282
1972	R	−36.4%	11,737	25,354	37,453
1968	R	−19.8%	12,711	19,289	33,292
1964	D	+22.4%	19,818	12,564	32,382
1960	R	−21.1%	13,278	20,395	33,673
1956	R	−43.4%	8,711	22,060	30,774
1952	R	−35.8%	10,310	21,824	32,134
1948	R	−19.4%	11,171	16,586	27,935
1944	R	−4.3%	13,382	14,599	27,983
1940	R	−0.8%	14,692	14,923	29,615
1936	R	−2.9%	13,645	14,456	28,319
1932	R	−4.4%	12,805	13,986	26,908
1928	R	−21.5%	10,139	15,724	25,935
1924	R	−23.4%	8,283	13,587	22,692
1920	R	−17.2%	8,976	12,748	21,872
1916	R	−0.0%	5,967	5,970	12,144
1912	D	+0.9%	4,741	4,632	11,853
1908	R	−17.0%	4,846	6,932	12,267
1904	R	−21.6%	4,740	7,433	12,443
1900	R	−17.4%	5,248	7,517	13,039
1896	R	−37.5%	3,310	7,715	11,749
1892	R	−1.6%	5,919	6,116	12,309
1888	—	No data	—	—	—
1884	—	No data	—	—	—
1880	—	No data	—	—	—
1876	—	No data	—	—	—

Demographics

Race, ethnicity, and ancestry

Click any group to see the ancestries typically reported within it.

American

100.0%

African American

1.3%

Multiple ancestry combinations reported; no single grouping above 1%.

American Indian, Alaska Native, Native Hawaiian, and Pacific Islander combined.

Source · American Community Survey 5-year estimates, 2024 release. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.

Age distribution by sex

Median age: 42.9 in this county, 39.1 nationally

Male

Age

Female

0.7%

85+

1.2%

2.6%

75–84

3.2%

5.8%

65–74

6.4%

7.3%

55–64

7.6%

6.3%

45–54

6.0%

6.6%

35–44

6.2%

6.6%

25–34

6.1%

4.5%

18–24

4.4%

7.0%

5–17

6.9%

2.3%

2.1%

Source · American Community Survey 5-year estimates, 2024 release.

Median household income

2024 inflation-adjusted dollars

$97,004

Merrimack County ranks in the top 5% of US counties.

Merrimack County$97,004

New Hampshire$99,031

United States$80,734

Source · American Community Survey 5-year estimates, 2024 release.

Poverty rate

All persons below federal poverty line

7.6%

Children face moderate poverty.

Children under 1818.0%

Working age (18–64)100.0%

Seniors (65+)18.0%

Source · American Community Survey 5-year estimates, 2024 release.

Language at home

Population aged 5 and older

0.0%

speak English only

Source · ACS 5-year estimates, 2024.

Religious adherents

Adherents per capita by tradition

Catholic & Orthodox

15.9%

Other Christian

4.4%

Mainline Protestant

3.3%

Baptist

1.3%

Pentecostal & Holiness

0.9%

Non-Christian

0.9%

Methodist

0.8%

Source · 2020 US Religion Census. Remaining 72.5% of residents not counted as adherents by any reporting body.

Merrimack County anchors central New Hampshire with a mix of state-capital civics in Concord and working-class mill-town heritage, producing margins that have shifted modestly toward Democrats over the past decade while remaining genuinely competitive.

The county's recent history is a story of close margins. The Democratic margin reached twenty-two points in 1964; the Republican margin reached forty-three points in 1956. Most other elections have been decided by single-digit points.

Merrimack County's demographics — a population of 155,967, a 91% non-Hispanic-white share, a median household income of $97,004 — situate the county close to national averages on several dimensions. The county's voting pattern over the last decade is most similar to that of York County and Lincoln County.

Most similar counties

Merrimack County delivered a near-tie in 2024.