How did MT-SD-42, Montana vote in the 2024 presidential election?

MT-SD-42, Montana voted Democratic in 2024 with a margin of D+2.5. Kamala D Harris received 5,871 votes and Donald Trump received 5,574 out of 11,877 total votes cast, a 2.7-point shift toward Democrats from 2020.

What is MT-SD-42, Montana's political history?

MT-SD-42, Montana has 5 presidential elections on record, spanning 2008 to 2024. Democrats have won 3 and Republicans 2 of those contests. The largest single-election swing was 15.9 points in 2012.

What are the demographics of MT-SD-42, Montana?

MT-SD-42, Montana has a population of 20,997 according to the 2020 Census. The racial composition is 85.9% non-Hispanic white, 3.7% Hispanic.

Which places are most similar to MT-SD-42, Montana?

Based on demographic and electoral similarity analysis, the three most similar state senate districts to MT-SD-42, Montana are Rhode Island State Senate District 35, Maine State Senate District 14, Maine State Senate District 9. Similarity is computed using a vector embedding of demographic, economic, and electoral characteristics.

Montana State Senate District 42

Montana · Latest: 2024↑ D+2.7 vs 2020

Competitive — 21K residents

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Similarity Explorer

Similar state senate districts

Nearest neighbors matched on the same place-page feature set used across the dossier system.

8 visible matches

Rhode Island State Senate District 35RI

Urban Competitive

D+21.9

Similarity score94%

Maine State Senate District 14ME

Regional Republican

D+0.2

Similarity score89%

Maine State Senate District 9ME

Urban Competitive

D+10.5

Similarity score89%

Maine State Senate District 34ME

Regional Republican

D+14.8

Similarity score89%

Montana State Senate District 25MT

Urban Competitive

R+4.1

Similarity score89%

Vermont State Senate District CHNVT

Regional Republican

D+14.1

Similarity score88%

Montana State Senate District 48MT

Regional Republican

D+17.7

Similarity score88%

Montana State Senate District 11MT

Regional Republican

R+22.1

Similarity score88%

Historian Query

Ask the Historian

Explore MT-SD-42's political evolution with the Historian

“How has Montana State Senate District 42 voted in presidential elections?”

Race & Ancestry

Who Lives Here

A race-first Census view with ancestry expansion where source coverage is strong enough to support detail.

MT-SD-42Census 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) 85.9%Multiracial 6.3%Hispanic 3.7%Native American 2.6%Asian 0.9%Black 0.4%

Group	MT-SD-42	State	National
White (Non-Hispanic)	85.9%	83.6%	57.4%
Multiracial / Other	6.3%	4.9%	4.0%
Hispanic / Latino	3.7%	4.6%	19.3%
Native American / Alaska Native	2.6%	5.6%	0.9%
Asian	0.9%	0.8%	6.0%
Black / African American	0.4%	0.5%	12.2%
Native Hawaiian / Pacific Islander	0.1%	<0.1%	0.2%

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 Montana State Senate District 42? 20,997 residents as of the 2020 Census.

Demographic Comparison

Demographics

Read this geography's profile in three layers: local, state (where available), and national baseline.

MT-SD-42 vs Montana vs National21K residents

Population & electorate

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

Total population

Local vs state vs U.S.

21K

local

21KState 1.1MNational 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.

77.6%

local

77.6%State 76.5%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 $73,049National $83,960

Poverty rate

Local vs state vs U.S.

N/A

local

N/AState 11.5%National 12.5%

College degree

Local vs state vs U.S.

N/A

local

N/AState 35.3%National 35.6%

Homeownership

Local vs state vs U.S.

N/A

local

N/AState 69.2%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 40.8 yrsNational 39.1 yrs

Age 18–29

Local vs state vs U.S.

N/A

local

N/AState 15.4%National 15.7%

Age 65+

Local vs state vs U.S.

N/A

local

N/AState 20.1%National 17.0%

Foreign born

Local vs state vs U.S.

N/A

local

N/AState 2.3%National 14.1%

Non-English at home

Local vs state vs U.S.

N/A

local

N/AState 4.2%National 22.2%

English only

Local vs state vs U.S.

N/A

local

N/AState 95.8%National 77.8%

Voter Turnout

Turnout in MT-SD-42

Estimated using 2020 Census voting-age population.

2024 Turnout

72.9%

vs Previous

-77.0pp

Voting-Age Pop

16,286

History

2008–2024

Competitiveness

How competitive is MT-SD-42?

TossupAvg margin: D+1.0 (last 3 elections)

2008

D+12.4

2012

R+3.5

2016

D+0.7

2020

R+0.2

2024

D+2.5

Elasticity

15.9pp

margin range

Party Flips

last 30 years

5-Elec Avg

D+2.4

Other Montana State Senate Districts

49 total

Name	Margin ↓
MT-SD-50	D+40.9
MT-SD-45	D+29.9
MT-SD-31	D+29.4
MT-SD-46	D+25.9
MT-SD-33	D+21.8
MT-SD-48	D+17.7
MT-SD-08	D+15.0
MT-SD-37	D+8.6
MT-SD-41	D+6.8
MT-SD-16	D+4.3
MT-SD-49	D+3.8
MT-SD-32	D+3.0
MT-SD-24	D+2.1
MT-SD-25	R+4.1
MT-SD-47	R+5.6
MT-SD-12	R+9.6
MT-SD-13	R+10.2
MT-SD-21	R+10.3
MT-SD-03	R+12.0
MT-SD-30	R+13.5
MT-SD-38	R+13.5
MT-SD-26	R+16.4
MT-SD-40	R+18.5
MT-SD-39	R+18.5
MT-SD-11	R+22.1

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