State House District Merrimack 21 State House District (NH) — Elections 1876–2024

New Hampshire 621st State House District, New Hampshire: Tossup district. In 2024, voted D+5%. Republican peak: R+43 in 1956.

Key facts

2024 presidential margin: D+5MIT Election Lab
Political archetype: TossupAkashic typology
Population: 6442024 5-year
Median household income: $97,0042024 5-year
White (non-Hispanic): 90.8%2024 5-year
Black: 1.6%2024 5-year
Hispanic / Latino: 2.7%2024 5-year
Peak Democratic margin: D+22 in 1964MIT Election Lab
Peak Republican margin: R+43 in 1956MIT Election Lab

2024 results by constituent county

1 counties · 1 D · 0 R

R+60

D+60

One cell per constituent county. Ordered by 2024 D-vs-R margin (bluest first). Hover for county-level numbers.

38 presidential elections

Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
Year	Won	Margin	Democratic	Republican	Total
2024	D	+5.2%	199	179	384
2020	D	+9.7%	200	164	372
2016	D	+2.9%	166	156	346
2012	D	+12.6%	185	143	333
2008	D	+14.0%	186	140	329
2004	D	+5.0%	165	149	317
2000	D	+0.8%	126	124	263
1996	D	+14.2%	121	88	232
1992	D	+4.1%	101	91	243
1988	R	−22.4%	77	122	201
1984	R	−34.3%	56	115	172
1980	R	−27.2%	50	97	173
1976	R	−18.8%	61	90	154
1972	R	−36.8%	48	105	155
1968	R	−19.6%	53	80	138
1964	D	+22.4%	82	52	134
1960	R	−20.9%	55	84	139
1956	R	−43.3%	36	91	127
1952	R	−35.3%	43	90	133
1948	R	−20.0%	46	69	115
1944	R	−4.3%	55	60	116
1940	R	−0.8%	61	62	122
1936	R	−3.4%	56	60	117
1932	R	−4.5%	53	58	111
1928	R	−21.5%	42	65	107
1924	R	−23.4%	34	56	94
1920	R	−17.8%	37	53	90
1916	O	+0.0%	25	25	50
1912	D	+2.0%	20	19	49
1908	R	−17.6%	20	29	51
1904	R	−21.6%	20	31	51
1900	R	−16.7%	22	31	54
1896	R	−36.7%	14	32	49
1892	R	−2.0%	24	25	51
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.

Irish

20.2%

English

19.7%

French

11.6%

German

9.0%

Italian

8.1%

American

4.9%

Scottish

4.1%

Source · American Community Survey 5-year estimates, 2024 release. Hispanic/Latino is an ethnicity that overlaps the race categories, so these shares can total more than 100%. 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

State House District Merrimack 21 ranks near the middle of US counties.

State House District Merrimack 21$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%

Child poverty is below the national average.

Children under 187.7%

Working age (18–64)7.6%

Seniors (65+)7.7%

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

Language at home

Population aged 5 and older

94.7%

speak English only

Other Indo-European2.5%

Spanish1.4%

Asian & Pacific Islander0.7%

Other languages0.6%

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%

Non-Christian

0.9%

Pentecostal & Holiness

0.9%

Methodist

0.8%

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

Merrimack 21 covers a slice of New Hampshire's capital city and returned a 26.9-point Democratic margin in 2024, making it among the strongest Democratic-leaning state house districts in a state otherwise known for competitive statewide races.

The district'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.

Its demographics — a population of 644, a 91% non-Hispanic-white share, a median household income of $97,004 — situate the district close to national averages on several dimensions.

Compare two places, side by side

Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →

Cite this page

All citations released under CC BY 4.0. Attribution: Akashic Intelligence.

State House District Merrimack 21, New Hampshire. Akashic. https://akashic.app/sld-lower/33621/. Accessed May 20, 2026. License: CC BY 4.0.

License: CC BY 4.0

Frequently asked questions

How did State House District Merrimack 21, New Hampshire vote in 2024?

In 2024, State House District Merrimack 21, New Hampshire voted Democratic by 5.2 points (D+5), carried by the Democratic candidate. Out of 384 votes cast, 199 went Democratic and 179 went Republican.

What is State House District Merrimack 21, New Hampshire's political archetype?

Akashic classifies State House District Merrimack 21, New Hampshire as a "Tossup" district based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the district has voted Democratic 11 times, Republican 22 times, and other 1 times.

When did State House District Merrimack 21, New Hampshire last vote Republican?

The most recent presidential election in which State House District Merrimack 21, New Hampshire voted Republican was 1988.

How many people live in State House District Merrimack 21, New Hampshire?

State House District Merrimack 21, New Hampshire has a population of 644 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.

What is the median household income in State House District Merrimack 21, New Hampshire?

Median household income in State House District Merrimack 21, New Hampshire is $97,004 — above the national median of $80,734. The New Hampshire state median is $99,031.

What is the political history of State House District Merrimack 21, New Hampshire?

Akashic tracks 38 presidential elections in State House District Merrimack 21, New Hampshire from 1876 to 2024. Of those, 11 went Democratic and 22 went Republican. The district's archetype — "Tossup" — captures the overall trajectory of that voting record.

New Hampshire 621st State House District delivered D+5 in 2024 — close enough to flip again next time.

Key facts

Demographics

Compare two places, side by side

Frequently asked questions