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

New Hampshire 521st State House District, New Hampshire: Bellwether district. In 2024, voted D+3%. Republican peak: R+42 in 1984.

Key facts

2024 presidential margin: D+3MIT Election Lab
Political archetype: BellwetherAkashic typology
Population: 1,5402024 5-year
Median household income: $103,5452024 5-year
White (non-Hispanic): 81.6%2024 5-year
Black: 2.5%2024 5-year
Hispanic / Latino: 8.5%2024 5-year
Peak Democratic margin: D+34 in 1964MIT Election Lab
Peak Republican margin: R+42 in 1984MIT 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	+2.8%	429	405	847
2020	D	+7.6%	442	378	837
2016	R	−0.1%	360	361	773
2012	D	+1.1%	369	361	743
2008	D	+3.8%	379	351	736
2004	R	−2.8%	340	360	705
2000	R	−1.8%	280	291	599
1996	D	+7.9%	257	215	529
1992	R	−2.1%	211	223	570
1988	R	−31.4%	165	319	490
1984	R	−41.8%	120	294	416
1980	R	−32.2%	115	249	416
1976	R	−8.0%	164	193	364
1972	R	−30.3%	125	236	366
1968	D	+3.3%	164	153	333
1964	D	+34.3%	218	107	324
1960	D	+15.0%	188	139	327
1956	R	−10.9%	131	163	294
1952	D	+0.7%	151	149	300
1948	D	+19.2%	151	102	255
1944	D	+24.0%	153	94	246
1940	D	+23.8%	154	95	248
1936	D	+19.0%	126	84	221
1932	D	+16.3%	117	84	203
1928	D	+9.2%	106	88	195
1924	R	−14.3%	58	80	154
1920	R	−9.8%	68	83	153
1916	D	+5.2%	40	36	77
1912	D	+3.7%	32	29	81
1908	R	−17.7%	31	45	79
1904	R	−17.7%	32	46	79
1900	R	−20.5%	30	46	78
1896	R	−41.4%	18	47	70
1892	R	−5.9%	32	36	68
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

19.9%

English

14.5%

French

10.3%

Italian

10.0%

German

8.1%

Polish

3.7%

American

3.3%

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: 41.0 in this county, 39.1 nationally

Male

Age

Female

0.7%

85+

1.2%

2.2%

75–84

2.8%

5.1%

65–74

5.3%

7.4%

55–64

7.4%

6.5%

45–54

6.4%

6.7%

35–44

6.4%

7.3%

25–34

6.8%

4.2%

18–24

4.0%

7.5%

5–17

7.1%

2.6%

2.5%

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

Median household income

2024 inflation-adjusted dollars

$103,545

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

State House District Hillsborough 21$103,545

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

6.7%

Child poverty is below the national average.

Children under 188.5%

Working age (18–64)6.1%

Seniors (65+)8.9%

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

Language at home

Population aged 5 and older

86.1%

speak English only

Other Indo-European5.4%

Spanish5.3%

Asian & Pacific Islander2.1%

Other languages1.0%

Source · ACS 5-year estimates, 2024.

Religious adherents

Adherents per capita by tradition

Catholic & Orthodox

17.2%

Other Christian

6.3%

Mainline Protestant

2.1%

Non-Christian

0.7%

Baptist

0.6%

Methodist

0.5%

Pentecostal & Holiness

0.4%

Source · 2020 US Religion Census. Remaining 72.2% of residents not counted as adherents by any reporting body.

Hillsborough 21 sits within New Hampshire's most populous county and returned a D+7.5 margin in 2024, placing it modestly left of the state's competitive statewide results.

The Democratic margin in New Hampshire 521st State House District has rarely exceeded thirty-four points in modern history; the Republican margin has rarely exceeded forty-two points. 2024 delivered the district to the Democratic candidate by three points.

Its demographics resemble the country more than they resemble most districts. A 82% non-Hispanic-white share, a 7% poverty rate, and a median household income of $103,545 — all within the broad national range.

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Cite this page

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

State House District Hillsborough 21, New Hampshire. Akashic. https://akashic.app/sld-lower/33521/. Accessed May 20, 2026. License: CC BY 4.0.

License: CC BY 4.0

Frequently asked questions

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

In 2024, State House District Hillsborough 21, New Hampshire voted Democratic by 2.8 points (D+3), carried by the Democratic candidate. Out of 847 votes cast, 429 went Democratic and 405 went Republican.

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

Akashic classifies State House District Hillsborough 21, New Hampshire as a "Bellwether" district based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the district has voted Democratic 17 times, Republican 17 times, and other 0 times.

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

The most recent presidential election in which State House District Hillsborough 21, New Hampshire voted Republican was 2016.

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

State House District Hillsborough 21, New Hampshire has a population of 1,540 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 Hillsborough 21, New Hampshire?

Median household income in State House District Hillsborough 21, New Hampshire is $103,545 — above the national median of $80,734. The New Hampshire state median is $99,031.

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

Akashic tracks 38 presidential elections in State House District Hillsborough 21, New Hampshire from 1876 to 2024. Of those, 17 went Democratic and 17 went Republican. The district's archetype — "Bellwether" — captures the overall trajectory of that voting record.

New Hampshire 521st State House District votes the way the country votes.

Key facts

Demographics

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Frequently asked questions