How did SC-HD-21, South Carolina vote in the 2024 presidential election?

SC-HD-21, South Carolina voted Republican in 2024 with a margin of R+28.9. Kamala D Harris received 8,051 votes and Donald Trump received 14,807 out of 23,345 total votes cast, a 4.0-point shift toward Republicans from 2020.

What is SC-HD-21, South Carolina's political history?

SC-HD-21, South Carolina 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 13.3 points in 2016.

What are the demographics of SC-HD-21, South Carolina?

SC-HD-21, South Carolina has a population of 42,304 according to the 2020 Census. The racial composition is 72.8% non-Hispanic white, 8.2% Hispanic, 7.1% Black.

Which places are most similar to SC-HD-21, South Carolina?

Based on demographic and electoral similarity analysis, the three most similar state house districts to SC-HD-21, South Carolina are South Carolina State House District 37, South Carolina State House District 34, Indiana State House District 57. Similarity is computed using a vector embedding of demographic, economic, and electoral characteristics.

South Carolina State House District 21

South Carolina · Latest: 2024↓ R+4.0 vs 2020

Safe Republican — shifted 4.0pp toward Republicans in 2024 — 42K residents

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Similarity Explorer

Similar state house districts

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

8 visible matches

South Carolina State House District 37SC

Suburban Republican

R+36.1

Similarity score97%

South Carolina State House District 34SC

Suburban Republican

R+25.4

Similarity score97%

Indiana State House District 57IN

Suburban Republican

R+32.1

Similarity score97%

Mississippi State House District 113MS

Suburban Republican

R+37.6

Similarity score96%

South Carolina State House District 24SC

Suburban Republican 2

R+9.3

Similarity score96%

South Carolina State House District 36SC

Suburban Republican

R+37.2

Similarity score95%

South Carolina State House District 92SC

Suburban Republican

R+12.1

Similarity score95%

South Carolina State House District 27SC

Suburban Republican

R+15.8

Similarity score95%

Historian Query

Ask the Historian

Explore SC-HD-21's political evolution with the Historian

“How has South Carolina State House 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.

SC-HD-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) 72.8%Hispanic 8.2%Asian 7.6%Black 7.1%Multiracial 4.0%

Group	SC-HD-21	State	National
White (Non-Hispanic)	72.8%	61.9%	57.4%
Hispanic / Latino	8.2%	7.4%	19.3%
Asian	7.6%	1.8%	6.0%
Black / African American	7.1%	24.8%	12.2%
Multiracial / Other	4.0%	3.7%	4.0%
Native American / Alaska Native	0.3%	0.4%	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 South Carolina State House District 21? 42,304 residents as of the 2020 Census.

Demographic Comparison

Demographics

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

SC-HD-21 vs South Carolina vs National42K residents

Population & electorate

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

Total population

Local vs state vs U.S.

42K

local

42KState 5.3MNational 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.

75.0%

local

75.0%State 76.0%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 $70,153National $83,960

Poverty rate

Local vs state vs U.S.

N/A

local

N/AState 14.1%National 12.5%

College degree

Local vs state vs U.S.

N/A

local

N/AState 32.1%National 35.6%

Homeownership

Local vs state vs U.S.

N/A

local

N/AState 71.9%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 40.5 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 18.9%National 17.0%

Foreign born

Local vs state vs U.S.

N/A

local

N/AState 5.8%National 14.1%

Non-English at home

Local vs state vs U.S.

N/A

local

N/AState 8.4%National 22.2%

English only

Local vs state vs U.S.

N/A

local

N/AState 91.6%National 77.8%

Voter Turnout

Turnout in SC-HD-21

Estimated using 2020 Census voting-age population.

2024 Turnout

73.6%

vs Previous

-0.9pp

Voting-Age Pop

31,721

History

2008–2024

Competitiveness

How competitive is SC-HD-21?

Safe RAvg margin: R+29.3 (last 3 elections)

2008

R+40.1

2012

R+47.4

2016

R+34.0

2020

R+25.0

2024

R+28.9

Elasticity

22.4pp

margin range

Party Flips

last 30 years

5-Elec Avg

R+35.1

Other South Carolina State House Districts

123 total

Name	Margin ↓
SC-HD-74	D+60.8
SC-HD-76	D+60.2
SC-HD-70	D+54.8
SC-HD-79	D+49.9
SC-HD-73	D+49.1
SC-HD-111	D+48.2
SC-HD-77	D+44.5
SC-HD-72	D+41.5
SC-HD-113	D+38.6
SC-HD-31	D+34.0
SC-HD-109	D+28.6
SC-HD-51	D+26.6
SC-HD-78	D+23.7
SC-HD-59	D+22.2
SC-HD-49	D+21.5
SC-HD-23	D+20.1
SC-HD-90	D+17.4
SC-HD-25	D+16.8
SC-HD-121	D+16.6
SC-HD-15	D+14.9
SC-HD-101	D+14.7
SC-HD-95	D+14.3
SC-HD-41	D+14.1
SC-HD-119	D+8.5
SC-HD-93	D+7.4

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