akashic
1876–2024
16th Suffolk District·Massachusetts

Massachusetts 138th State House District has voted Democratic in twenty-five straight presidential cycles.

A Boston-area district that swung to within 0.3 points in 2024

1876 — 2024·38 elections
MA
Latest
D+49
in 2024
Archetype
Democratic loyalist
since the recent cycles
Population
51,770
2024 ACS

Massachusetts 138th State House District, Massachusetts: Democratic loyalist district. In 2024, voted D+49%. Democratic peak: D+71 in 1964.

Key facts

2024 presidential margin
D+49MIT Election Lab
Political archetype
Democratic loyalistAkashic typology
Population
51,7702024 5-year
Median household income
$96,1382024 5-year
White (non-Hispanic)
47.9%2024 5-year
Black
17.0%2024 5-year
Hispanic / Latino
23.3%2024 5-year
Peak Democratic margin
D+71 in 1964MIT Election Lab
Peak Republican margin
R+25 in 1896MIT Election Lab
2024 results by constituent county
2 counties · 2 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).
YearWonMarginDemocraticRepublicanTotal
D
+48.8%
14,6904,83020,203
D
+59.5%
17,7714,29922,626
D
+57.8%
16,0393,75921,248
D
+52.8%
14,6524,41219,408
D
+52.1%
13,6294,17318,137
D
+49.3%
12,0664,02516,301
D
+47.8%
10,3063,26114,750
D
+50.3%
9,7042,86913,586
D
+34.4%
8,7803,64114,950
D
+26.7%
9,4905,44115,175
D
+21.6%
9,9286,38516,371
D
+16.1%
7,4725,11214,636
D
+25.1%
9,4605,53315,636
D
+29.7%
10,8865,87916,853
D
+54.8%
13,2133,48117,752
D
+70.9%
16,6672,80919,533
D
+46.8%
16,1865,84922,102
D
+6.2%
12,15510,72422,980
D
+17.7%
15,23810,63125,981
D
+39.9%
16,7766,96524,605
D
+24.3%
14,8189,01823,883
D
+26.1%
15,3898,99624,535
D
+34.7%
14,1056,34522,360
D
+35.1%
12,5205,86918,937
D
+32.3%
12,8606,54919,545
R
−13.5%
4,9016,82114,172
R
−23.3%
4,2517,04011,959
D
+16.3%
3,8672,7606,799
D
+21.1%
2,8981,5766,273
R
−4.0%
2,7502,9956,106
D
+6.2%
3,2292,8386,303
D
+5.7%
2,9822,6515,830
R
−25.2%
2,0013,4415,705
D
+10.0%
2,8102,2895,208
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Demographics

Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
Irish
13.0%
Italian
8.6%
English
5.6%
German
4.5%
American
2.3%
Polish
2.3%
French
1.9%
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: 34.5 in this county, 39.1 nationally
Male
Age
Female
0.6%
85+
1.1%
1.6%
75–84
2.3%
3.7%
65–74
4.4%
5.2%
55–64
5.6%
5.2%
45–54
5.5%
6.9%
35–44
6.9%
10.6%
25–34
10.9%
6.1%
18–24
7.2%
5.9%
5–17
5.7%
2.4%
<5
2.4%
Source · American Community Survey 5-year estimates, 2024 release.
Median household income
2024 inflation-adjusted dollars
$96,138
16th Suffolk District ranks near the middle of US counties.
16th Suffolk District$96,138
Massachusetts$103,960
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
Poverty rate
All persons below federal poverty line
15.6%
Children face moderate poverty.
Children under 1819.6%
Working age (18–64)14.4%
Seniors (65+)21.5%
Source · American Community Survey 5-year estimates, 2024 release.
Language at home
Population aged 5 and older
62.0%
speak English only
Spanish19.2%
Other Indo-European10.0%
Asian & Pacific Islander6.2%
Other languages2.6%
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Catholic & Orthodox
41.9%
Non-Christian
6.8%
Other Christian
4.6%
Baptist
1.5%
Mainline Protestant
1.4%
Pentecostal & Holiness
1.2%
Methodist
0.6%
Source · 2020 US Religion Census. Remaining 42.0% of residents not counted as adherents by any reporting body.

Once reliably Democratic in presidential cycles, the 16th Suffolk flipped to a razor-thin Republican lean in 2024, making it one of the most closely contested state house districts in the Boston metro.

The Democratic margin in Massachusetts 138th State House District reached its widest at seventy-one points in 1964. The margin in 2024 was forty-nine points — still decisive.

Its loyalty is rooted in its place. Median household income of $96,138, a 48% non-Hispanic-white share, and a population of 51,770 together describe a district whose political habits are deeply settled.

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.
16th Suffolk District, Massachusetts. Akashic. https://akashic.app/sld-lower/25138/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0

Frequently asked questions

How did 16th Suffolk District, Massachusetts vote in 2024?
In 2024, 16th Suffolk District, Massachusetts voted Democratic by 48.8 points (D+49), carried by the Democratic candidate. Out of 20,203 votes cast, 14,690 went Democratic and 4,830 went Republican.
What is 16th Suffolk District, Massachusetts's political archetype?
Akashic classifies 16th Suffolk 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 30 times, Republican 4 times, and other 0 times.
When did 16th Suffolk District, Massachusetts last vote Republican?
The most recent presidential election in which 16th Suffolk District, Massachusetts voted Republican was 1924.
How many people live in 16th Suffolk District, Massachusetts?
16th Suffolk District, Massachusetts has a population of 51,770 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in 16th Suffolk District, Massachusetts?
Median household income in 16th Suffolk District, Massachusetts is $96,138 — above the national median of $80,734. The Massachusetts state median is $103,960.
What is the political history of 16th Suffolk District, Massachusetts?
Akashic tracks 38 presidential elections in 16th Suffolk District, Massachusetts from 1876 to 2024. Of those, 30 went Democratic and 4 went Republican. The district's archetype — "Democratic loyalist" — captures the overall trajectory of that voting record.