21st Middlesex District State House District (MA) — Elections 1876–2024

Massachusetts 79th State House District, Massachusetts: Democratic loyalist district. In 2024, voted D+39%. Democratic peak: D+53 in 1964.

Key facts

2024 presidential margin: D+39MIT Election Lab
Political archetype: Democratic loyalistAkashic typology
Population: 53,1492024 5-year
Median household income: $130,8472024 5-year
White (non-Hispanic): 66.8%2024 5-year
Black: 4.9%2024 5-year
Hispanic / Latino: 9.3%2024 5-year
Peak Democratic margin: D+53 in 1964MIT Election Lab
Peak Republican margin: R+47 in 1896MIT 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	+39.2%	17,987	7,627	26,433
2020	D	+44.9%	20,022	7,362	28,202
2016	D	+37.2%	16,880	7,130	26,232
2012	D	+27.1%	15,305	8,672	24,465
2008	D	+30.1%	15,068	7,973	23,552
2004	D	+29.5%	14,302	7,715	22,350
2000	D	+31.2%	13,107	6,453	21,315
1996	D	+36.3%	12,917	5,512	20,372
1992	D	+21.8%	11,159	6,284	22,366
1988	D	+10.7%	11,729	9,419	21,496
1984	D	+0.8%	10,545	10,368	20,981
1980	D	+2.2%	8,783	8,337	20,686
1976	D	+15.5%	11,676	8,436	20,871
1972	D	+12.4%	11,203	8,728	20,037
1968	D	+31.5%	12,013	6,109	18,737
1964	D	+52.9%	14,267	4,371	18,712
1960	D	+18.2%	11,553	7,984	19,578
1956	R	−22.5%	7,029	11,131	18,211
1952	R	−14.3%	7,685	10,253	17,991
1948	D	+4.1%	8,053	7,405	15,763
1944	R	−5.8%	6,821	7,659	14,503
1940	R	−5.2%	7,093	7,872	15,034
1936	R	−2.4%	6,148	6,478	13,609
1932	R	−2.8%	5,653	5,985	11,865
1928	R	−4.4%	5,623	6,137	11,803
1924	R	−38.4%	2,094	5,272	8,280
1920	R	−42.4%	2,000	5,081	7,269
1916	R	−9.7%	1,617	1,972	3,668
1912	D	+6.0%	1,190	990	3,337
1908	R	−28.5%	1,017	1,903	3,111
1904	R	−24.8%	1,067	1,807	2,980
1900	R	−24.6%	956	1,610	2,659
1896	R	−46.9%	636	1,858	2,604
1892	R	−7.3%	1,128	1,310	2,501
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

18.3%

Italian

12.1%

English

9.7%

German

6.3%

French

3.2%

Polish

3.1%

American

3.1%

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: 38.9 in this county, 39.1 nationally

Male

Age

Female

0.7%

85+

1.3%

2.1%

75–84

2.8%

4.4%

65–74

5.0%

6.3%

55–64

6.5%

6.3%

45–54

6.3%

7.0%

35–44

7.0%

7.7%

25–34

7.4%

4.9%

18–24

4.8%

7.4%

5–17

7.0%

2.6%

2.5%

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

Median household income

2024 inflation-adjusted dollars

$130,847

21st Middlesex District ranks near the middle of US counties.

21st Middlesex District$130,847

Massachusetts$103,960

United States$80,734

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

Poverty rate

All persons below federal poverty line

7.7%

Child poverty is below the national average.

Children under 187.9%

Working age (18–64)7.4%

Seniors (65+)10.9%

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

Language at home

Population aged 5 and older

70.9%

speak English only

Other Indo-European12.5%

Asian & Pacific Islander8.0%

Spanish6.6%

Other languages2.1%

Source · ACS 5-year estimates, 2024.

Religious adherents

Adherents per capita by tradition

Catholic & Orthodox

40.1%

Non-Christian

5.9%

Other Christian

3.9%

Mainline Protestant

2.1%

Baptist

0.9%

Methodist

0.8%

Pentecostal & Holiness

0.4%

Source · 2020 US Religion Census. Remaining 45.9% of residents not counted as adherents by any reporting body.

With a 2024 presidential margin of D+30.2, this district ranks among the most one-sided in the Massachusetts House, reflecting the dense suburban and urban precincts that characterize much of Middlesex County's inner core.

The Democratic margin in Massachusetts 79th State House District reached its widest at fifty-three points in 1964. The margin in 2024 was thirty-nine points — still decisive.

Its loyalty is rooted in its place. Median household income of $130,847, a 67% non-Hispanic-white share, and a population of 53,149 together describe a district whose political habits are deeply settled.

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Cite this page

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

21st Middlesex District, Massachusetts. Akashic. https://akashic.app/sld-lower/25079/. Accessed May 20, 2026. License: CC BY 4.0.

License: CC BY 4.0

Frequently asked questions

How did 21st Middlesex District, Massachusetts vote in 2024?

In 2024, 21st Middlesex District, Massachusetts voted Democratic by 39.2 points (D+39), carried by the Democratic candidate. Out of 26,433 votes cast, 17,987 went Democratic and 7,627 went Republican.

What is 21st Middlesex District, Massachusetts's political archetype?

Akashic classifies 21st Middlesex District, Massachusetts as a "Democratic loyalist" district based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the district has voted Democratic 19 times, Republican 15 times, and other 0 times.

When did 21st Middlesex District, Massachusetts last vote Republican?

The most recent presidential election in which 21st Middlesex District, Massachusetts voted Republican was 1956.

How many people live in 21st Middlesex District, Massachusetts?

21st Middlesex District, Massachusetts has a population of 53,149 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.

What is the median household income in 21st Middlesex District, Massachusetts?

Median household income in 21st Middlesex District, Massachusetts is $130,847 — above the national median of $80,734. The Massachusetts state median is $103,960.

What is the political history of 21st Middlesex District, Massachusetts?

Akashic tracks 38 presidential elections in 21st Middlesex District, Massachusetts from 1876 to 2024. Of those, 19 went Democratic and 15 went Republican. The district's archetype — "Democratic loyalist" — captures the overall trajectory of that voting record.

Massachusetts 79th State House District has voted Democratic in seventeen straight presidential cycles.

Key facts

Demographics

Compare two places, side by side

Frequently asked questions