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Massachusetts State House District 31

Massachusetts State House District 31

Massachusetts · Latest: 2024↓ R+14.4 vs 2020

Safe Democratic — shifted 14.4pp toward Republicans in 2024 — 43K residents

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Massachusetts State House District 31 is a state house district that has a population of 42,880. In the 2024 presidential election, it voted Democratic with a margin of D+38.2. Akashic Edge tracks 5 presidential elections here, dating back to 2008.

Massachusetts State House District 31 Presidential Election Results, 2008–2024
YearDem %Rep %MarginSwing
202467.1%28.9%D+38.2R+14.4
2020*75.3%22.6%D+52.6D+17.1
2016*64.2%28.7%D+35.5D+16.3
2012*59.6%40.4%D+19.2R+7.8
2008*62.7%35.7%D+27.0—

* Pre-2022 results projected onto current district boundaries. Actual boundaries at the time of the election may have differed.

Political Identity

What defines MA-HD-31?

It has a working-class, predominantly white electorate — strong Republican base territory.

Similarity Explorer

Similar state house districts

Nearest neighbors matched on the same place-page feature set used across the dossier system.
8 visible matches
Historian Query

Ask the Historian

Explore MA-HD-31's political evolution with the Historian
Automated Readout

Key Insights

High-confidence patterns distilled from this geography's election history.
  • Has voted Democratic in the last 5 presidential elections
  • Latest election (2024) was a Democratic landslide with a 38.2% margin
  • Swung 14.4 points toward Republican between 2020 and 2024
Race & Ancestry

Who Lives Here

A race-first Census view with ancestry expansion where source coverage is strong enough to support detail.
MA-HD-31Census ACS 2024
Census race profile
Major Census race and ethnicity groups shown as a share of total population.
Expand rows for ancestry detail
White (Non-Hispanic) 79.5%Hispanic 10.9%Black 3.5%Multiracial 3.2%Asian 2.5%Native American 0.3%
GroupMA-HD-31StateNational
White (Non-Hispanic)
79.5%66.6%57.4%
Hispanic / Latino
10.9%13.3%19.3%
Black / African American
3.5%6.8%12.2%
Multiracial / Other
3.2%5.7%4.0%
Asian
2.5%7.3%6.0%
Native American / Alaska Native
0.3%0.2%0.9%
Method notes

Census treats race and Hispanic/Latino origin as separate questions. Race categories other than Hispanic reflect total populations (small Hispanic overlap in Black, Asian, AIAN, NHPI). “Multiracial / Other” is derived as a non-overlapping remainder.

Detailed ancestry data unavailable for this geography.

Who lives in Massachusetts State House District 31? 42,880 residents as of the 2020 Census.

Demographic Comparison

Demographics

Read this geography's profile in three layers: local, state (where available), and national baseline.
MA-HD-31 vs Massachusetts vs National43K residents
Population & electorate

Scale, voting-age share, and this geography's footprint inside the national electorate.

Total population
Local vs state vs U.S.
43K
local
43KState 7.0MNational 334.9M
Share of U.S. population
Local vs state vs U.S.
0.01%
local
0.01%National 100%
Voting-age population
Local vs state vs U.S.
78.5%
local
78.5%State 77.2%National 75.7%
Economic profile

Income, attainment, and ownership indicators that often shape coalition structure and turnout behavior.

Median household income
Local vs state vs U.S.
N/A
local
N/AState $106,183National $83,960
Poverty rate
Local vs state vs U.S.
N/A
local
N/AState 10.1%National 12.5%
College degree
Local vs state vs U.S.
N/A
local
N/AState 47.3%National 35.6%
Homeownership
Local vs state vs U.S.
N/A
local
N/AState 62.5%National 65.2%
Community profile

Age structure, language use, and nativity signals that explain how this geography differs from state and nation.

Median age
Local vs state vs U.S.
N/A
local
N/AState 40.3 yrsNational 39.1 yrs
Age 18–29
Local vs state vs U.S.
N/A
local
N/AState 16.8%National 15.7%
Age 65+
Local vs state vs U.S.
N/A
local
N/AState 17.9%National 17.0%
Foreign born
Local vs state vs U.S.
N/A
local
N/AState 18.0%National 14.1%
Non-English at home
Local vs state vs U.S.
N/A
local
N/AState 25.1%National 22.2%
English only
Local vs state vs U.S.
N/A
local
N/AState 74.9%National 77.8%
Voter Turnout

Turnout in MA-HD-31

Estimated using 2020 Census voting-age population.
2024 Turnout
76.0%
vs Previous
+71.6pp
Voting-Age Pop
33,652
History
2008–2024
Competitiveness

How competitive is MA-HD-31?

Safe DAvg margin: D+42.1 (last 3 elections)
2008
D+27.0
2012
D+19.2
2016
D+35.5
2020
D+52.6
2024
D+38.2
Elasticity
33.4pp
margin range
Party Flips
0
last 30 years
5-Elec Avg
D+34.5

Other Massachusetts State House Districts

159 total
NameMargin ↓
MA-HD-83D+83.3
MA-HD-137D+77.3
MA-HD-85D+76.3
MA-HD-110D+74.1
MA-HD-84D+72.6
MA-HD-134D+72.4
MA-HD-128D+71.9
MA-HD-129D+70.8
MA-HD-131D+67.5
MA-HD-58D+67.1
MA-HD-127D+66.4
MA-HD-87D+66.1
MA-HD-139D+66.1
MA-HD-130D+63.1
MA-HD-82D+62.4
MA-HD-69D+61.7
MA-HD-56D+60.6
MA-HD-81D+60.3
MA-HD-70D+59.6
MA-HD-92D+59.6
MA-HD-140D+58.3
MA-HD-136D+55.6
MA-HD-124D+54.6
MA-HD-71D+54.0
MA-HD-125D+53.9
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