How did UT-SD-21, Utah vote in the 2024 presidential election?

UT-SD-21, Utah voted Republican in 2024 with a margin of R+42.6. Kamala D Harris received 15,944 votes and Donald Trump received 41,127 out of 59,062 total votes cast, a 4.7-point shift toward Democrats from 2020.

What is UT-SD-21, Utah's political history?

UT-SD-21, Utah has 5 presidential elections on record, spanning 2008 to 2024. It has voted Republican in every presidential election since 2008. The largest single-election swing was 43.5 points in 2016.

What are the demographics of UT-SD-21, Utah?

UT-SD-21, Utah has a population of 112,819 according to the 2020 Census. The racial composition is 85.5% non-Hispanic white, 7.6% Hispanic.

Which places are most similar to UT-SD-21, Utah?

Based on demographic and electoral similarity analysis, the three most similar state senate districts to UT-SD-21, Utah are Utah State Senate District 22, South Dakota State Senate District 6, Utah State Senate District 6. Similarity is computed using a vector embedding of demographic, economic, and electoral characteristics.

Utah State Senate District 21

Utah · Latest: 2024↑ D+4.7 vs 2020

Safe Republican — shifted 4.7pp toward Democrats in 2024 — 113K 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

Utah State Senate District 22UT

Suburban Republican 3

R+36.8

Similarity score98%

South Dakota State Senate District 6SD

Suburban Republican 3

R+32.6

Similarity score95%

Utah State Senate District 6UT

Suburban Republican 3

R+33.9

Similarity score95%

Tennessee State Senate District 27TN

Suburban Republican 3

R+31.9

Similarity score93%

Idaho State Senate District 21ID

Suburban Republican 3

R+29.9

Similarity score92%

Kansas State Senate District 26KS

Suburban Republican 3

R+40.0

Similarity score92%

Idaho State Senate District 20ID

Suburban Republican

R+32.5

Similarity score91%

North Carolina State Senate District 35NC

Suburban Republican 3

R+23.3

Similarity score91%

Historian Query

Ask the Historian

Explore UT-SD-21's political evolution with the Historian

“How has Utah State Senate District 21 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.

UT-SD-21Census 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) 85.5%Hispanic 7.6%Multiracial 3.7%Asian 1.5%Native Hawaiian 0.7%Black 0.5%Native American 0.4%

Group	UT-SD-21	State	National
White (Non-Hispanic)	85.5%	74.7%	57.4%
Hispanic / Latino	7.6%	15.9%	19.3%
Multiracial / Other	3.7%	3.8%	4.0%
Asian	1.5%	2.4%	6.0%
Native Hawaiian / Pacific Islander	0.7%	0.9%	0.2%
Black / African American	0.5%	1.2%	12.2%
Native American / Alaska Native	0.4%	1.0%	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 Utah State Senate District 21? 112,819 residents as of the 2020 Census.

Demographic Comparison

Demographics

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

UT-SD-21 vs Utah vs National113K residents

Population & electorate

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

Total population

Local vs state vs U.S.

113K

local

113KState 3.4MNational 334.9M

Share of U.S. population

Local vs state vs U.S.

0.03%

local

0.03%National 100%

Voting-age population

Local vs state vs U.S.

66.2%

local

66.2%State 70.7%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 $95,803National $83,960

Poverty rate

Local vs state vs U.S.

N/A

local

N/AState 8.5%National 12.5%

College degree

Local vs state vs U.S.

N/A

local

N/AState 37.9%National 35.6%

Homeownership

Local vs state vs U.S.

N/A

local

N/AState 70.3%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 32.2 yrsNational 39.1 yrs

Age 18–29

Local vs state vs U.S.

N/A

local

N/AState 19.3%National 15.7%

Age 65+

Local vs state vs U.S.

N/A

local

N/AState 11.9%National 17.0%

Foreign born

Local vs state vs U.S.

N/A

local

N/AState 8.9%National 14.1%

Non-English at home

Local vs state vs U.S.

N/A

local

N/AState 15.9%National 22.2%

English only

Local vs state vs U.S.

N/A

local

N/AState 84.1%National 77.8%

Voter Turnout

Turnout in UT-SD-21

Estimated using 2020 Census voting-age population.

2024 Turnout

79.0%

vs Previous

+3.8pp

Voting-Age Pop

74,739

History

2008–2024

Competitiveness

How competitive is UT-SD-21?

Safe RAvg margin: R+44.1 (last 3 elections)

2008

R+66.4

2012

R+85.9

2016

R+42.4

2020

R+47.3

2024

R+42.6

Elasticity

43.5pp

margin range

Party Flips

last 30 years

5-Elec Avg

R+56.9

Other Utah State Senate Districts

28 total

Name	Margin ↓
UT-SD-09	D+56.7
UT-SD-13	D+39.1
UT-SD-14	D+31.6
UT-SD-15	D+17.4
UT-SD-10	D+8.6
UT-SD-12	D+6.3
UT-SD-08	D+2.4
UT-SD-16	R+6.3
UT-SD-19	R+8.9
UT-SD-05	R+11.4
UT-SD-17	R+15.3
UT-SD-03	R+15.6
UT-SD-24	R+22.5
UT-SD-07	R+25.2
UT-SD-02	R+30.4
UT-SD-18	R+30.6
UT-SD-23	R+31.0
UT-SD-06	R+33.9
UT-SD-11	R+35.0
UT-SD-20	R+35.3
UT-SD-22	R+36.8
UT-SD-26	R+38.5
UT-SD-04	R+40.5
UT-SD-29	R+48.5
UT-SD-25	R+49.0

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