Congressional District 9 Congressional District (MA) — Elections 1876–2024

Massachusetts 9th Congressional District, Massachusetts: Bellwether district. In 2024, voted D+13%. Republican peak: R+60 in 1896.

Key facts

2024 presidential margin: D+13MIT Election Lab
Political archetype: BellwetherAkashic typology
Population: 897,0892024 5-year
Median household income: $104,6202024 5-year
White (non-Hispanic): 79.1%2024 5-year
Black: 5.8%2024 5-year
Hispanic / Latino: 5.8%2024 5-year
Peak Democratic margin: D+39 in 1964MIT Election Lab
Peak Republican margin: R+60 in 1896MIT Election Lab

2024 results by constituent county

6 counties · 6 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	+12.8%	279,853	214,879	505,907
2020	D	+20.2%	301,569	197,831	514,212
2016	D	+11.3%	239,968	187,126	467,403
2012	D	+9.7%	238,449	195,882	440,811
2008	D	+13.9%	243,049	182,519	434,263
2004	D	+13.8%	234,747	177,097	416,418
2000	D	+18.0%	210,686	142,519	378,898
1996	D	+24.2%	196,427	112,182	347,982
1992	D	+11.2%	152,295	111,793	362,326
1988	R	−2.2%	161,087	168,559	334,521
1984	R	−13.8%	131,300	173,522	305,949
1980	R	−12.6%	103,540	140,927	296,272
1976	D	+4.9%	142,267	128,411	280,480
1972	R	−5.6%	117,061	130,925	249,608
1968	D	+11.0%	114,482	90,896	213,876
1964	D	+39.0%	139,755	61,212	201,599
1960	D	+3.9%	104,128	96,281	200,756
1956	R	−38.1%	56,486	126,364	183,238
1952	R	−28.3%	63,353	113,539	177,348
1948	R	−6.9%	68,568	78,931	149,874
1944	R	−8.1%	62,127	73,100	135,511
1940	R	−6.3%	66,634	75,604	143,007
1936	R	−6.2%	57,212	65,272	130,941
1932	R	−12.0%	46,588	59,677	109,136
1928	R	−19.5%	43,326	64,526	108,742
1924	R	−52.0%	14,798	56,903	80,985
1920	R	−54.2%	14,910	53,924	71,923
1916	R	−11.3%	17,285	21,910	40,769
1912	O	+2.6%	11,491	10,494	37,856
1908	R	−38.2%	8,820	21,784	33,972
1904	R	−35.0%	9,464	21,033	33,078
1900	R	−39.1%	7,817	19,457	29,733
1896	R	−60.3%	5,395	23,549	30,118
1892	R	−22.9%	11,321	18,343	30,648
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

24.4%

English

13.3%

Italian

11.5%

German

5.8%

French

4.5%

American

3.5%

Scottish

2.2%

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: 45.9 in this county, 39.1 nationally

Male

Age

Female

1.0%

85+

1.6%

3.0%

75–84

3.9%

6.2%

65–74

7.2%

7.5%

55–64

8.0%

6.0%

45–54

6.3%

5.8%

35–44

5.9%

5.5%

25–34

5.5%

4.0%

18–24

3.8%

7.3%

5–17

6.9%

2.4%

2.3%

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

Median household income

2024 inflation-adjusted dollars

$104,620

Congressional District 9 ranks near the middle of US counties.

Congressional District 9$104,620

Massachusetts$103,960

United States$80,734

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

Poverty rate

All persons below federal poverty line

8.0%

Child poverty is below the national average.

Children under 189.1%

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

84.7%

speak English only

Other Indo-European9.8%

Spanish3.8%

Asian & Pacific Islander1.2%

Other languages0.6%

Source · ACS 5-year estimates, 2024.

Religious adherents

Adherents per capita by tradition

Catholic & Orthodox

30.8%

Other Christian

3.6%

Mainline Protestant

2.6%

Non-Christian

1.4%

Pentecostal & Holiness

0.8%

Methodist

0.8%

Baptist

0.7%

Source · 2020 US Religion Census. Remaining 59.3% of residents not counted as adherents by any reporting body.

Massachusetts 9th Congressional District in New England has, for decades, voted very close to the way the country has voted. Its margins are typically narrow, and the candidate who carries Massachusetts 9th Congressional District more often than not also wins the national popular vote.

The Democratic margin in Massachusetts 9th Congressional District has rarely exceeded thirty-nine points in modern history; the Republican margin has rarely exceeded sixty points. 2024 delivered the district to the Democratic candidate by thirteen points.

Its demographics resemble the country more than they resemble most districts. A 79% non-Hispanic-white share, a 8% poverty rate, and a median household income of $104,620 — all within the broad national range.

Cite this page

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

Congressional District 9, Massachusetts — The Long Memory. Akashic Intelligence — The Long Memory. https://tiers.akashic.app/cd/2509/. Accessed May 20, 2026. License: CC BY 4.0.

License: CC BY 4.0

Frequently asked questions

How did Congressional District 9, Massachusetts vote in 2024?

In 2024, Congressional District 9, Massachusetts voted Democratic by 12.8 points (D+13), carried by the Democratic candidate. Out of 505,907 votes cast, 279,853 went Democratic and 214,879 went Republican.

What is Congressional District 9, Massachusetts's political archetype?

Akashic classifies Congressional District 9, Massachusetts as a "Bellwether" district based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the district has voted Democratic 13 times, Republican 20 times, and other 1 times.

When did Congressional District 9, Massachusetts last vote Republican?

The most recent presidential election in which Congressional District 9, Massachusetts voted Republican was 1988.

How many people live in Congressional District 9, Massachusetts?

Congressional District 9, Massachusetts has a population of 897,089 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.

What is the median household income in Congressional District 9, Massachusetts?

Median household income in Congressional District 9, Massachusetts is $104,620 — above the national median of $80,734. The Massachusetts state median is $103,960.

What is the political history of Congressional District 9, Massachusetts?

Akashic tracks 38 presidential elections in Congressional District 9, Massachusetts from 1876 to 2024. Of those, 13 went Democratic and 20 went Republican. The district's archetype — "Bellwether" — captures the overall trajectory of that voting record.

Massachusetts 9th Congressional District delivered D+13 in 2024.

Key facts

Demographics

Frequently asked questions